DELL Latitude E5250
Contents
1. K NOTE You may need a sharp tool to pry the base cover from its edge Installing the Base Cover 1 Place the base cover to align with the screw holders on the computer 2 Tighten the screws to secure the base cover to the computer 3 Follow the procedures in After Working Inside Your Computer Removing the Battery 1 Follow the procedures in Before Working Inside Your Computer 2 Remove the base cover 3 Disconnect the battery cable from its connector 1 and release the cable from its routing channel 2 aues pal Z5wh standart xH type RY 4 Perform the following steps a Remove the screw that secures the battery to the computer 1 b Lift and push to remove the battery from the computer 2 3 Installing the Battery Insert the battery into its place on the computer Route the battery cable through its routing channel Tighten the screw to secure the battery to the computer Connect the battery cable to its connector on the system board Install the base cover Follow the procedures in After Working Inside Your Computer Ov SY Yee Removing the Hard Drive Assembly 1 Follow the procedure in Before Working Inside Your Computer 2 Remove the a base cover b battery 3 Perform the following steps a Disconnect the hard drive cable from its connector on the system board 1 b Remove the screws that secure the hard drive assembly to the computer 2 10 42. 4 Follow the procedures in After Working Inside Your Computer Removing the System Fan 1 Follow the procedures in Before Working Inside Your Computer 2 Remove the base cover a b battery c keyboard trim d keyboard e palmrest Disconnect the system fan cable from its connector on the system board 4 Perform the following steps to remove the system fan from the computer a Remove the screws that secure the system fan to the computer 1 b Remove the system fan from the computer 2 Installing the System Fan Place the system fan into its slot on the computer Tighten the screws to secure the system fan to the computer Connect the system fan cable to its connector on the system board Install the a palmrest b keyboard c keyboard trim d battery e base cover 5 Follow the procedures in After Working Inside Your Computer es a 56 Removing the Coin Cell Battery 1 Follow the procedures in Before Working Inside Your Computer 2 Remove the base cover a b battery c memory d hard drive assembly e keyboard trim f keyboard g palmrest 3 Perform the following steps to remove the coin cell battery from the computer a Disconnect the coin cell battery cable from its connector on the system board 1 b Pry the coin cell battery to remove it from the computer 2 Installing the Coin cell Battery 1 Insert the coin cell battery into its place on the system
3. Installing the Speakers a oP o YE 6 42 Place the speakers into their slots on the computer Tighten the screws to secure the speakers to the computer Route the speaker cables through their routing channels Connect the speaker cable to its connector on the system board Install the system fan display assembly display hinge brackets palmrest keyboard keyboard trim hard drive assembly memory battery base cover 7S Se ae GO oo Follow the procedures in After Working Inside Your Computer 5 System Setup Options ra NOTE Depending on the computer and its installed devices the items listed in this section may or may not appear Table 1 General Option Description System This section lists the primary hardware features of your computer Information e System Information Displays BIOS Version Service Tag Asset Tag Ownership Tag Ownership Date Manufacture Date and the Express Service Code e Memory Information Displays Memory Installed Memory Available Memory Speed Memory Channels Mode Memory Technology DIMM A Size DIMM B Size e Processor Information Displays Processor Type Core Count Processor ID Current Clock Speed Minimum Clock Speed Maximum Clock Speed Processor L2 Cache Processor LS Cache HT Capable and 64 Bit Technology e Device Information Displays Primary Hard Drive Dock eSATA Device LOM MAC Address Video Controller Video BIOS Version Video Memory Panel Type Native
4. Description Default Setting Allow Non Admin Password Changes is selected Allows you to determine whether changes to the setup options are allowed when an Administrator Password Is set If disabled the setup options are locked by the admin password Allows you to enable the Trusted Platform Module TPM during POST Default Setting The option is disabled Allows you to activate or disable the optional Computrace software The options are e Deactivate e Disable e Activate a NOTE The Activate and Disable options will permanently activate or disable the feature and no further changes will be allowed Deactivate default Allows you to enable the Execute Disable mode of the processor Enable CPU XD Support default Allows you to set an option to enter the Option ROM Configuration screens using hotkeys during boot The options are e Enable e One Time Enable e Disable Default Setting Enable Allows you to prevent users from entering Setup when an Administrator password Is set Default Setting Enable Admin Setup Lockout is not selected Description This option enables or disables the Secure Boot Feature e Disabled e Enabled Default Setting The option is enabled Allows you to manipulate the security key databases only if the system is in Custom Mode The Enable Custom Mode option is disabled by default The options are e PK 47 Option Table 6 Performance Option Multi Core Support Intel Soee
5. or Dell product catalog Dell provides several online and telephone based support and service options Availability varies by country and product and some services may not be available in your area To contact Dell for sales technical support or customer service issues 1 Go to dell com support 2 Select your support category 3 Verify your country or region in the Choose a Country Region drop down list at the bottom of the page 4 Select the appropriate service or support link based on your need 62
6. 310 50 mm 12 22 inches 310 50 mm 12 22 inches 212 80 mm 8 38 inches 212 80 mm 8 38 inches 3 44 lbs 1 56 kg 3 93 lbs 1 78 kg Feature Specification Temperature Operating O C to 35 C 32 F to 95 F Storage 40 C to 65 C 40 F to 149 F Relative humidity maximum Operating Storage Altitude maximum Operating Non Operating Airborne contaminant level 10 to 90 non condensing 5 to 95 non condensing O m to 3048 m 0 ft to 10 000 ft OMe 45 C O m to 10 668 m 0 ft to 35 000 ft G1 as defined by ISA 71 04 1985 5 58 3 Diagnostics If you experience a problem with your computer run the ePSA diagnostics before contacting Dell for technical assistance The purpose of running diagnostics is to test your computer s hardware without requiring additional equipment or risking data loss If you are unable to fix the problem yourself service and support personnel can use the diagnostics results to help you solve the problem Enhanced Pre Boot System Assessment ePSA Diagnostics The ePSA diagnostics also known as system diagnostics performs a complete check of your hardware The ePSA is embedded with the BIOS and is launched by the BIOS internally The embedded system diagnostics provides a set of options for particular devices or device groups allowing you to e Run tests automatically or in an interactive mode e Repeat tests e Display or save test results e Run thor
7. 5 Pull to release the hard drive cable from its connector 11 6 Remove the screws that secure the hard drive bracket to the hard drive 1 and remove the hard drive from the hard drive bracket 2 Installing the Hard Drive Assembly 1 Place the hard drive bracket on the hard drive to align the screw holders and tighten the screws to secure the hard drive bracket Connect the hard drive cable to its connector on the hard drive Place the hard drive assembly into its slot on the computer Connect the hard drive cable to its connector on the system board Tighten the screws to secure the hard drive assembly to the computer Install the DNNN 12 a battery b base cover 7 Follow the procedures in After Working Inside Your Computer Removing the Memory 1 Follow the procedures in Before Working Inside Your Computer 2 Remove the a base cover b battery 3 Pry the clips securing the memory module until the memory pops up and remove the memory from the system board Oo e gt Installing the Memory 1 Insert the memory on the memory socket until the clips secure the memory 2 Install the a battery b base cover 3 Follow the procedures in After Working Inside Your Computer Removing the Keyboard Trim 1 Follow the steps in Before Working Inside Your Computer 2 Pry the keyboard trim from its edges 15 K NOTE You may need a sharp tool to pry the keyboard trim from its
8. Before Working Inside Your Computer 2 Remove the base cover battery memory keyboard trim keyboard palmrest display hinge brackets display assembly system fan system board 3 Perform the following steps to remove the heatsink from the system board 1G ow S C oe a Remove the screws that secure the heatsink on the system board 1 b Remove the heatsink from the system board 2 Installing the Heatsink 1 Place the heatsink on the system board and align it with the screw holders 2 Tighten the screws to secure the heatsink to the system board 40 4 Install the system board system fan display assembly display hinge brackets palmrest keyboard keyboard trim hard drive assembly memory battery base cover Follow the procedures in After Working Inside Your Computer ST Se ao 6 oe Removing the Speakers 1 2 Follow the procedures in Before Working Inside Your Computer Remove the base cover battery memory hard drive assembly keyboard trim keyboard palmrest display hinge brackets display assembly system fan Disconnect the speaker cable from its connector on the system board 1 and release the speaker cables from their routing channels 2 s a gt oaano ee 41 Perform the following steps to remove the speakers from the computer a Remove the screws that secure the speakers to the computer 1 b Remove the speakers from the computer 2
9. Resolution Audio Controller Wi Fi Device WiGig Device Cellular Device Bluetooth Device Battery Displays the battery status and the type of AC adapter connected to the computer Information Boot Sequence Boot Sequence Allows you to change the order in which the computer attempts to find an operating system The options are e Windows Boot Manager e UEFI STSOOUMOO1 1EK162 By default all the options are checked You can also deselect any option or change the boot order Boot List Option Allows you to change the boot list option e Legacy e UEFI Advanced Boot This option allows you the legacy option ROMs to load By default the Enable Legacy Options Option ROMs is enabled Date Time Allows you to change the date and time 43 Table 2 System Configuration Option Integrated NIC Parallel Port Serial Port SATA Operation Drives SMART Reporting USB Configuration 44 Description Allows you to configure the integrated network controller The options are e Disabled e Enabled e Enabled w PXE This option is enabled by default Allows you to configure the parallel port on the docking station The options are e Disabled e AT This option is enabled by default e PS2 e ECP Allows you to configure the integrated serial port The options are e Disabled e COMI This option is enabled by default e COM2 e COM3 e COM4 Allows you to configure the internal SATA hard drive controller The opti
10. board Connect the coin cell battery cable to its connector on the system board 3 Install the a palmrest b keyboard c keyboard trim d hard drive assembly e memory f base cover 4 Follow the procedures in After Working Inside Your Computer 57 Removing the System Board 1 Follow the procedures in Before Working Inside Your Computer 2 Remove the SD card base cover battery memory hard drive assembly keyboard trim keyboard palmrest display hinge brackets display assembly system fan 3 Disconnect the following cables from the system board A Faro ans a power connector 1 b speaker 2 c coin cell battery 3 4 Remove the screws that secure the system board to the chassis 1 and push the system board to release from its place 58 5 Remove the system board from the chassis Installing the System Board 1 Place the system board to align with the screw holders on the computer 2 Tighten the screws to secure the system board to the computer 3 Connect the following cables to their connectors on the system board a speaker b power connector c coin cell battery 4 Install the a display assembly 39 display hinge brackets palmrest keyboard keyboard trim hard drive assembly memory battery base cover SDcard 5 Follow the procedures in After Working Inside Your Computer 7S SO Oo 6 oo Removing the Heatsink 1 Follow the procedures in
11. combinations lt Fn gt lt Esc gt toggle the primary behavior of F1 F12 between their standard and secondary functions If you disable this option you cannot toggle dynamically the primary behavior of these keys The available options are e Fn Lock This option is selected by default e Lock Mode Disable Standard e Lock Mode Enable Secondary Allows you to specify whether the MEBx Hotkey function should enable during the system boot Default Setting Enable MEBx Hotkey Allows you to speed up the boot process by bypassing some of the compatibility steps The options are e Minimal e Thorough default e Auto Allows you to create an additional pre boot delay The options are e 0 seconds This option is enabled by default e 5 seconds e 10 seconds Description Allows you to enable or disable the Intel Virtualization Technology Enable Intel Virtualization Technology default Enables or disables the Virtual Machine Monitor VMM from utilizing the additional hardware capabilities provided by Intel Virtualization technology for direct I O Enable VT for Direct I O enabled by default 51 Option Trusted Execution Table 10 Wireless Option Wireless Switch Wireless Device Enable Table 11 Maintenance Option Service Tag Asset Tag Table 12 System Logs Option BIOS Events Thermal Events Power Events 52 Description This option specifies whether a Measured Virtual Machine Mon
12. edges 3 Remove the keyboard trim from the keyboard Installing the Keyboard Trim 1 Insert the keyboard trim to the keyboard until it snaps in its place 2 Follow the procedures in After Working Inside Your Computer Removing the Keyboard 1 Follow the procedures in Before Working Inside Your Computer Remove the a base cover b battery c keyboard trim 3 Disconnect the keyboard cable from its connector on the system board 4 Remove the screws that secure the keyboard to the computer 14 5 Remove the keyboard from the computer Installing the Keyboard Place the keyboard to align with the screw holders on the computer Connect the keyboard cable to its connector on the system board Tighten the screws to secure the Keyboard to the computer Install the a keyboard trim b battery c base cover 5 Follow the procedures in After Working Inside Your Computer a e Removing the Palmrest 1 Follow the procedures in Before Working Inside Your Computer 2 Remove the 15 a base cover b battery c keyboard trim d keyboard 3 Remove the screws that secure the palmrest to the computer 4 Flip the computer and perform the following steps a Disconnect the touchpad cable and USH board cable from their connectors 1 2 b Remove the screw that secures the palmrest to the computer 3 5 Pry the palmrest at its edges to release 1 and remove the palmrest from the compu
13. xN Lf N Front and Back View rf 2 3 4 56 i N TOOO00CODOO0 0ODOOODCODOOO OOVOOUCODIONU 0000000000000 0000000000000 ODOODOOODOODI COODODOCOODOD CONDON OOODOUDUODUNU network connector HDMI connector camera power connector power button USB 3 0 connector with PowerShare contactless smart card reader optional 24 25 USB 3 0 connector microphones optional camera status light microphone Mini DisplayPort connector memory card reader fingerprint reader optional 15 wireless status light 16 battery status light 17 hard drive activity light 18 power status light 19 speakers 20 touchpad 21 smart card reader optional 22 headset connector 25 security cable slot 24 dock connector optional 25 Service Tag label Removing the SD Card 1 Follow the procedures in Before Working Inside Your Computer 2 Press in on the SD card to release it from the computer 3 Slide the SD card out of the computer o NS o A Installing the SD Card 1 Push the SD card into its slot until it clicks into place 2 Follow the procedures in After Working Inside Your Computer Removing the Base Cover 1 Follow the procedures in Before Working Inside Your Computer 2 Perform the following steps to remove the base cover from the computer a Remove the screws that secure the base cover to the computer b Liftthe base cover from its edge and remove the base cover from the computer
14. 0 80 80 Vertical 10 30 80 80 Pixel pitch 0 202 x 0 202 0 144 x 0 144 Table 23 Keyboard Feature Specification Backlit KB Non Backlit KB Number of keys United States 106 keys United Kingdom 107 keys Brazil 109 keys and Japan 110 keys Table 24 Touchpad Feature Specification Active Area X axis 99 50 mm Y axis 53 00 mm Table 25 Battery Feature E5250 Type 3 Cell 38 Whr 4 Cell 51 Whr Dimensions Depth 177 50 mm 6 98 inches 253 00 mm 9 17 inches Height 7 05 mm 0 27 inch 7 05 mm 0 27 inch Width 94 80 mm 3 73 inches 94 80 mm 3 73 inches Weight 265 g 0 58 lb 340 g 0 75 lb Voltage 11 1 VDC 7 4 VDC Temperature range Operating e Charge 0 C to 50 C e Discharge 0 C to 70 C e Operating 0 to 35 C 32 to 95 F Non Operating 40 C to 65 C 40 F to 149 F Coin cell battery 5 V CR2032 lithium coin cell 56 Table 26 AC Adapter Feature Type Input voltage Input current maximum Input frequency Output current Rated output voltage Temperature range Operating Non Operating Table 27 Physical Feature Height Front Back Width Depth Weight Table 28 Environmental Specification 65 W and 90 W 100 VAC to 240 VAC 15A 50 Hz to 60 Hz 5 54 A and 4 62 A 19 5 1 0 VDC O C to 40 C 32 F to 104 F 40 C to 70 C 40 F to 158 F W O Touch With Touch 20 50 mm 0 80 inch 20 50 mm 0 80 inch 22 70 mm 0 89 inch 24 60 mm 0 97 inch
15. Dell Latitude E5250 5250 Owner s Manual Regulatory Model P25S Regulatory Type P25S001 Notes Cautions and Warnings K NOTE A NOTE indicates important information that helps you make better use of your computer AN CAUTION A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem AN WARNING A WARNING indicates a potential for property damage personal injury or death Copyright 2014 Dell Inc All rights reserved This product is protected by U S and international copyright and intellectual property laws Dell and the Dell logo are trademarks of Dell Inc in the United States and or other jurisdictions All other marks and names mentioned herein may be trademarks of their respective companies 2014 09 Rev AOO Working on Your Computer Before Working Inside Your Computer Use the following safety guidelines to help protect your computer from potential damage and to help to ensure your personal safety Unless otherwise noted each procedure included in this document assumes that the following conditions exist e You have read the safety information that shipped with your computer e Acomponent can be replaced or if purchased separately installed by performing the removal procedure in reverse order AN WARNING Disconnect all power sources before opening the computer cover or panels After you finish working inside the computer replace all covers panels a
16. Video Resolution maximum 1920 x 1080 pixels Diagonal viewing angle 74 54 Table 19 Communications Features Specification Network adapter Wireless Table 20 Ports and Connectors 10 100 1000 Mb s Ethernet RJ 45 internal wireless local area network WLAN and wireless wide area network WWAN NOTE WWAN is optional Features Specification Audio Stereo headset mic combo Video e one 19 pin HDMI connector Network adapter USB Memory card reader Micro Subscriber Identity Module uSIM card optional Docking port optional Table 21 Contactless Smart Card Feature e 20 pin mDP connector one RJ 45 connector Three USB 3 0 One USB BC v1 2 complaint connector Supports up to SD4 0 one one Specification Supported Smart Cards Technologies Table 22 Display Feature Type Dimensions Height Width Diagonal Active area X Y Maximum resolution Maximum Brightness Non Touch HD Anti Glare 3 00 mm 0 12 inch BTO with USH Specification Touch FHD E2E 5 95 mm 0 23 inch 300 40 mm x 181 40 mm 11 83 inches x 302 30 mm x 194 39 mm 11 89 inches x 7 14 inches 317 50 mm 12 50 inches 7 65 inches 317 50 mm 12 50 inches 276 61 mm x 155 52 mm 10 89 inches x 276 61 mm x 155 52 mm 6 12 inches 1366 x 768 200 nits 1920 x 1080 300 nits 55 Feature Specification Refresh rate 60 Hz 60 Hz Minimum Viewing Angles Horizontal 40 4
17. and display cables through their routing channels 3 Tighten the screws to secure the display assembly to the computer 4 Connect the WWAN and WLAN cables to their connectors 5 Connect the display cable to the system board place the display cable bracket over the connector and tighten the screw to secure the display cable to the computer 6 Install the a display hinge brackets b palmrest c keyboard d keyboard trim e battery f base cover 7 Follow the procedures in After Working Inside Your Computer Removing the Display Bezel 1 Follow the procedures in Before Working Inside Your Computer 2 Pry the edges to release the display bezel from the display assembly 29 3 Remove the display bezel from the display assembly Installing the Display Bezel 1 Place the display bezel on the display assembly 2 Starting from the top corner press on the display bezel and work around the entire bezel until it clicks on to the display assembly 3 Follow the procedures in After Working Inside Your Computer Removing the Display Panel 1 Follow the procedures in Before Working Inside Your Computer 2 Remove the a base cover b battery c display bezel 3 Remove the screws that secure the display panel to the display assembly 1 and lift to flip the display panel to access the eDP cable 2 50 4 Peel the adhesive 1 to access the eDP cable 2 hal 5 Disconnect the eDP cable from its conne
18. ce such as the metal at the back of the computer While you work periodically touch an unpainted metal surface to dissipate static electricity which could harm internal components Remove any installed ExpressCards or Smart Cards from the appropriate slots Recommended Tools The procedures in this document may require the following tools Small flat blade screwdriver 0 Phillips screwdriver 1 Phillips screwdriver Small plastic scribe Turning Off Your Computer AN CAUTION To avoid losing data save and close all open files and exit all open programs before 1 you turn off your computer Shut down the operating system e In Windows 8 1 Using a touch enabled device a Swipe in from the right edge of the screen opening the Charms menu and select Settings b Select the O and then select Shut down Or On the Home screen touch the O and then select Shut down Using a mouse a Point to upper right corner of the screen and click Settings O b Click the and select Shut down Or On the Home screen click O and then select Shut down e In Windows 7 1 Click Start 2 Click Shut Down 1 Click Start 2 Click the arrow in the lower right corner of the Start menu as shown below and then click Shut Down 2 Ensure that the computer and all attached devices are turned off If your computer and attached devices did not automatically turn off when you shut down your operating s
19. ctor 1 and remove the display panel from the display assembly 2 51 Installing the Display Panel oe pE Connect the eDP cable to its connector and fix the adhesive tape Place the display panel to align with the screw holders on the display assembly Tighten the screws to secure the display panel to the display assembly Install the a display bezel b battery c base cover Follow the procedures in After Working Inside Your Computer Removing the Display Hinges 1 52 Follow the procedures in Before Working Inside Your Computer Remove the base cover battery memory hard drive assembly keyboard trim keyboard palmrest display hinge brackets display assembly display bezel Perform the following steps to remove the display hinges from the display assembly Soe ooo amp a Remove the screws that secure the display hinges at both sides of the display assembly 1 b Remove the display hinges from the display assembly 2 Installing the Display Hinges 4 Insert the display hinges into their slots on the display assembly Tighten the screws to secure the display hinge on both sides of the display assembly Install the display bezel display assembly display hinge brackets palmrest keyboard keyboard trim hard drive assembly memory battery base cover Follow the procedures in After Working Inside Your Computer gt a roange Removing the Camera 1 2 Follo
20. dStep C States Control Intel TurboBoost Hyper Thread Control 48 Description KEK db dbx If you enable the Custom Mode the relevant options for PK KEK db and dbx appear The options are Save to File Saves the key to a user selected file Replace from File Replaces the current key with a Key from a user selected file Append from File Adds a key to the current database from a user selected file Delete Deletes the selected key Reset All Keys Resets to default setting Delete All Keys Deletes all the keys NOTE If you disable the Custom Mode all the changes made will be erased and the keys will restore to default settings Description This field specifies whether the process will have one or all cores enabled The performance of some applications will improve with the additional cores This option is enabled by default Allows you to enable or disable multi core support for the processor The installed processor supports two cores If you enable Multi Core Support two cores will be enabled If you disable Multi Core Support one core will be enabled Enable Multi Core Support Default Setting The option is enabled Allows you to enable or disable the Intel SoeedStep feature Enable Intel SoeedStep Default Setting The option is enabled Allows you to enable or disable the additional processor sleep states C states Default Setting The option is enabled Allows you to enable or disable t
21. e batteries To enable this option disable the Advanced Battery Charge Configuration option This option if enabled periodically senses the nearby wireless connections while the system is in sleep state You can use this option to synchronize the email or other social media applications that are open when the system enters the sleep state Description Allows you to enable or disable the system setup BIOS warning messages when you use certain power adapters Default Setting Enable Adapter Warnings Allows you to choose one of two methods to enable the keypad that is embedded in the internal keyboard e Fn Key Only This option is enabled by default e By Numlock NOTE When setup Is running this option has no effect Setup works in Fn Key Only mode Allows you to define how the system handles mouse and touch pad input The options are e Serial Mouse e PS2 Mouse Option Numlock Enable Fn Key Emulation Fn Lock Options MEBx Hotkey Fastboot Extended BIOS POST Time Table 9 Virtualization Support Option Virtualization VT for Direct I O Description e Toushpad PS 2 Mouse This option is enabled by default Allows you to enable the Numlock option when the computer boots Enable Network This option is enabled by default Allows you to set the option where the lt Scroll Lock gt key is used to simulate the lt Fn gt key feature Enable Fn Key Emulation default Allows you to let hot key
22. he palmrest a b keyboard C d e keyboard trim battery base cover Follow the procedures in After Working Inside Your Computer Removing the USH Board K NOTE This component is sold separately and is not shipped with the computer 1 2 Follow the procedures in Before Working Inside Your Computer Remove the base cover a b battery C d e f hard drive assembly keyboard trim keyboard palmrest Perform the following steps to remove the USH board a b C Disconnect all the cables from the USH board 1 2 Remove the screw that secures the USH board to the palmrest 3 Remove the USH board from the palmrest 4 19 Installing the USH Board oe ae ee Place the USH Board on the palmrest Tighten the screw to secure the USH board to the palmrest Connect all the cables to the USH board Install the palmrest a b keyboard C d e keyboard trim hard drive assembly battery base cover 5 Follow the procedures in After Working Inside Your Computer Removing the Finger Print Reader Board K NOTE This component is sold separately and is not shipped with the computer 1 Follow the procedures in Before Working Inside Your Computer 2 Remove the oA90 5 base cover battery keyboard trim keyboard palmrest 3 Perform the following steps to remove the finger print reader board a D C 20 Remove the screw to release
23. he Intel TurboBoost mode of the processor Enable Intel TurboBoost Default Setting The option is enabled Allows you to enable or disable the Hyper Threading in the processor Disabled Option Table 7 Power Management Option AC Behavior Auto On Time USB Wake Support Wireless Radio Control Wake on LAN WLAN Block Sleep Description e Enabled Default Setting The option is enabled Description Allows you to enable or disable the computer from turning on automatically when an AC adapter is connected Default Setting Wake on AC is not selected Allows you to set the time at which the computer must turn on automatically The options are e Disabled default e Every Day e Weekdays e Select Days Allows you to enable USB devices to wake the system from Standby K NOTE This feature is only functional when the AC power adapter is connected If the AC power adapter is removed during Standby the system setup will remove power from all of the USB ports to conserve battery power e Enable USB Wake Support Default Setting The option is disabled Allows you to enable or disable the feature that automatically switches from wired or wireless networks without depending on the physical connection e Control WLAN Radio e Control WWAN Radio Default Setting The option is disabled Allows you to enable or disable the feature that powers on the computer from the Off state when triggered by a LAN s
24. hten the screw to secure the WLAN card to the computer Connect the WLAN cables to their connectors on the WLAN Card Install the base cover Follow the procedures in After Working Inside Your Computer oe Ne 24 Removing the WWAN Card 1 Follow the procedures in Before Working Inside Your Computer 2 Remove the base cover 3 Perform the following steps to remove the WWAN card a Disconnect the WWAN cables from their connectors on the WWAN card 1 b Remove the screw that secures the WWAN card to the computer 2 Ke mani AN Bate saab N wiit i ged S ger ha ew e329 er uy oper xe lt g ad N NV EAN VAN s u3 4 Remove the WWAN card from the computer Installing the WWAN Card Place the WWAN card into its slot on the computer Tighten the screw to secure the WWAN card to the computer Connect the WWAN cables to their connectors on the WWAN Card Install the base cover Follow the procedures in After Working Inside Your Computer oe Ne 25 Removing the Display Hinge Brackets 1 Follow the procedures in Before Working Inside Your Computer 2 Remove the base cover a b battery c memory d hard drive assembly e keyboard trim f keyboard g palmrest 3 Remove the screws that secure the display hinge brackets to the back of the computer 4 Open the display and perform the following steps a Remove the screws that secure the display hinge brackets to the front of the compute
25. ignal e Disabled This option is enabled by default e LAN Only e WLAN Only e LAN or WLAN e LAN with PXE Boot This option lets you block entering to sleep S3 state in Operating System environment Block Sleep S3 state This option is disabled by default 49 Option Peak Shift Advanced Battery Charge Configuration Primary Battery Charge Configuration Intel Smart Connect Technology Table 8 POST Behavior Option Adapter Warnings Keypad Embedded Mouse Touchpad 50 Description This option enables you to minimize the AC power consumption during the peak power times of day After you enable this option your system runs only in battery even if the AC is attached This option enables you to maximize the battery health By enabling this option your system uses the standard charging algorithm and other techniques during the non work hours to improve the battery health Disabled default Allows you to select the charging mode for the battery The options are e Adaptive Latitude E5250 e Standard Fully charges your battery at a standard rate e ExpressCharge The battery charges over a shorter period of time using Dell s fast charging technology This option is enabled by default e Primarily AC use Latitude E5250 e Custom Latitude E5250 If Custom Charge is selected you can also configure Custom Charge Start and Custom Charge Stop NOTE All charging mode may not be available for all th
26. itor MVMM can utilize the additional hardware capabilities provided by Intel Trusted Execution Technology The TPM virtualization Technology and Virtualization technology for direct I O must be enabled to use this feature Trusted Execution disabled by default Description Allows to set the wireless devices that can be controlled by the wireless switch The options are e WWAN e GPS on WWAN Module e WLAN WiGig e Bluetooth All the options are enabled by default NOTE For WLAN and WiGig enable or disable controls are tied together and they cannot be enabled or disabled independently Allows you to enable or disable the internal wireless devices e WWAN GPS e WLAN WiGig e Bluetooth All the options are enabled by default Description Displays the Service Tag of your computer Allows you to create a system asset tag if an asset tag is not already set This option is not set by default Description Allows you to view and clear the System Setup BIOS POST events Allows you to view and clear the System Setup Thermal events Allows you to view and clear the System Setup Power events A Technical Specifications K NOTE Offerings may vary by region For more information regarding the configuration of your computer click Start Start icon Help and Support and then select the option to view information about your computer NOTE In Windows 8 1 navigate to Help and Support to view inf
27. lets you choose the operating mode of the keyboard illumination feature The keyboard brightness level can be set from 0 to 100 e Disabled e Dim e Bright This option is disabled by default The Keyboard Backlight with AC option does not affect the main keyboard illumination feature Keyboard Illumination will continue to support the various illumination levels This field has an effect when the backlight is enabled This option when enabled pressing Fn F7 turns off all light and sound emissions in the system To resume normal operation press Fn F again This option is disabled by default Allows you to enable or disable the following devices e Enable Microphone e Enable Camera e Enable Hard Drive Free Fall Protection e Enable Media Card e Disable Media Card K NOTE All devices are enabled by default You can also enable or disable Media Card 45 Table 3 Video Option LCD Brightness Description Allows you to set the display brightness depending up on the power source On Battery and On AC K NOTE The Video setting will only be visible when a video card is installed into the system Table 4 Security Option Admin Password System Password Internal HDD 1 Password Strong Password Password Configuration Password Bypass Password Change 46 Description Allows you to set change or delete the administrator admin password K NOTE You must set the admin password before you set
28. nd screws before connecting to the power source AN WARNING Before working inside your computer read the safety information that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_compliance AN CAUTION Many repairs may only be done by a certified service technician You should only perform troubleshooting and simple repairs as authorized in your product documentation or as directed by the online or telephone service and support team Damage due to servicing that is not authorized by Dell is not covered by your warranty Read and follow the safety instructions that came with the product CAUTION To avoid electrostatic discharge ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface such as a connector on the back of the computer gt CAUTION Handle components and cards with care Do not touch the components or contacts on a card Hold a card by its edges or by its metal mounting bracket Hold a component such as a processor by its edges not by its pins gt CAUTION When you disconnect a cable pull on its connector or on its pull tab not on the cable itself Some cables have connectors with locking tabs if you are disconnecting this type of cable press in on the locking tabs before you disconnect the cable As you pull connectors apart keep them evenly aligned to avoid bending any connec
29. ntered an error Blinking Blinking Blinking A system board failure has occurred Blinking Blinking Solid A possible graphics card video failure has occurred Blinking Blinking Off System failed on hard drive initialization OR System failed in Option ROM initialization Blinking Off Blinking The USB controller encountered a problem during initialization Solid Blinking Blinking No memory modules are installed detected 60 Storage LED PowerLED Wireless LED Fault Description Blinking Solid Blinking The display encountered a problem during initialization Off Blinking Blinking The modem is preventing the system from completing POST Off Blinking Off Memory failed to initialize or memory is Unsupported Battery Status Lights If the computer is connected to an electrical outlet the battery light operates as follows Alternately An unauthenticated or unsupported non Dell AC adapter is attached to your blinking amber laptop light and white light Alternately Temporary battery failure with AC adapter present blinking amber light with steady white light Constantly Fatal battery failure with AC adapter present blinking amber light Light off Battery in full charge mode with AC adapter present White light on Battery in charge mode with AC adapter present 61 6 Contacting Dell K NOTE If you do not have an active Internet connection you can find contact information on your purchase invoice packing slip bill
30. ons are e Disabled e AHCI e RAID On This option is enabled by default Allows you to configure the SATA drives on board All drives are enabled by default The options are e SATA O e SATA 1 e SATA 2 e SATA 3 This field controls whether hard drive errors for integrated drives are reported during system startup This technology is part of the SMART Self Monitoring Analysis and Reporting Technology specification This option is disabled by default e Enable SMART Reporting This field configures the integrated USB controller If Boot Support is enabled the system is allowed to boot any type of USB Mass Storage Devices HDD memory key floppy If USB port is enabled device attached to this port is enabled and available for OS Option USB PowerShare Audio Keyboard Illumination Keyboard Backlight with AC Unobtrusive Mode Miscellaneous Devices Description If USB port is disabled the OS cannot see any device attached to this port e Enable Boot Support e Enable External USB Port e Enable USB3 0 Controller NOTE USB keyboard and mouse always work in the BIOS setup irrespective of these settings This field configures the USB PowerShare feature behavior This option allows you to charge external devices using the stored system battery power through the USB PowerShare port This field enables or disables the integrated audio controller By default the Enable Audio option is selected This field
31. ormation about your computer Table 13 System Information Feature Specification Chipset Intel Core Processors 4th Generation DRAM bus width 64 bit Flash EPROM SPI 32 Mbits 64 Mbits PCle bus 100 MHz External Bus Frequency PCle Gen2 5GT s Table 14 Processor Feature Specification Types Intel Celeron Core i3 i5 L3 cache iS 3 MB i5 5 MB Celeron 2 MB Table 15 Memory Feature Specification Memory connector Latitude 5250 One SODIMM slot Latitude E5250 Two SODIMM slots Memory capacity 4 GB or 8 GB Memory type DDR3L SDRAM 1600 MHz Minimum memory 4 GB Maximum memory 8 GB 55 Feature Specification NOTE You can insert up to 8 GB memory in each available memory slots Table 16 Audio Feature Specification Type High definition audio Controller Realtek ALC3235 Stereo conversion Digital Audio out through HDMI up to 7 1 compressed and un compressed audio Interface Internal high definition audio codec External Stereo headset mic combo Speakers two Internal soeaker amplifier 2 W RMS per channel Volume controls hot keys Table 17 Video Feature Specification Type integrated on system board hardware accelerated Controller UMA e Celeron Intel HD Graphics e 13 15 Intel HD Graphics 4400 Data bus Integrated video External display support e 19 pin HDMI connector e 20 pin mDP connector Table 18 Camera Features Specification Camera Resolution 1920 x 1080 pixels
32. ough tests to introduce additional test options to provide extra information about the failed device s e View status messages that inform you if tests are completed successfully e View error messages that inform you of problems encountered during testing AN CAUTION Use the system diagnostics to test only your computer Using this program with other computers may cause invalid results or error messages K NOTE Some tests for specific devices require user interaction Always ensure that you are present at the computer terminal when the diagnostic tests are performed You can launch the ePSA diagnostics by two ways 1 Power on the computer As the computer boots press the lt F12 gt key as the Dell logo appears 5 Onthe boot menu screen select the Diagnostics option The Enhanced Pre boot System Assessment window displays listing all devices detected in the computer The diagnostics starts running the tests on all the detected devices 4 Ifyou wish to run a diagnostic test on a specific device press lt Esc gt and click Yes to stop the diagnostic test 5 Select the device from the left pane and click Run Tests 6 If there are any issues error codes are displayed Note the error code and contact Dell OR 39 Shutdown the computer Press and hold the lt fn gt key while pressing the power button and then release both The Enhanced Pre boot System Assessment window displays listing all devices detected in the compute
33. r 1 b Pull the display hinge brackets to remove from the computer 2 26 Installing the Display Hinge Brackets 1 Insert the display hinge brackets into their slots on the computer 2 Tighten the screws at the front and back of the computer to secure the display hinge brackets 3 Install the a palmrest b keyboard c keyboard trim d hard drive assembly e memory f battery g base cover 4 Follow the procedures in After Working Inside Your Computer Removing the Display Assembly 1 Follow the procedures in Before Working Inside Your Computer 2 Remove the base cover battery keyboard trim keyboard palmrest f display hinge brackets 3 Disconnect the WLAN and WWAN cables from their connectors 1 and release the cables through their routing channels 2 oon a 4 Disconnect the display cable from the system board To disconnect the display cable a Remove the screw that secures the display cable bracket to the computer 1 b Remove the display cable bracket to access the display cable 2 c Disconnect the display cable from the system board 3 2 5 Release the display cable from its routing channel 6 Remove the screws that secure the display assembly 1 and lift the display assembly to remove it from the computer 2 28 Installing the Display Assembly 1 Place the display assembly to align with the screw holders on the computer 2 Route the WWAN WLAN
34. r The diagnostics starts running the tests on all the detected devices On the boot menu screen select the Diagnostics option The Enhanced Pre boot System Assessment window displays listing all devices detected in the computer The diagnostics starts running the tests on all the detected devices If you wish to run a diagnostic test on a specific device press lt Esc gt and click Yes to stop the diagnostic test Select the device from the left pane and click Run Tests If there are any issues error codes are displayed Note the error code and contact Dell Device Status Lights Table 29 Device Status Lights O 9 p Turns on when you turn on the computer and blinks when the computer is in a power management mode Turns on when the computer reads or writes data Turns on steadily or blinks to indicate battery charge status Turns on when wireless networking is enabled The device status LEDs are usually located either on the top or left side of the keyboard They display the storage battery and wireless devices connectivity and activity Apart from that they can be useful as a diagnostic tool when there s a possible failure to the system The following table lists how to read the LED codes when possible errors occur Table 30 LED Lights Storage LED Power LED Wireless LED Fault Description Blinking Solid Solid A possible processor failure has occurred Solid Blinking Solid The memory modules are detected but encou
35. side Your Computer ol ee cA290 5 Removing the Power Connector Port 1 Follow the procedures in Before Working Inside Your Computer 2 Remove the a base cover b battery 3 Disconnect the power connector port cable from its connector on the system board 22 4 Perform the following steps a Flip the computer b Remove the screw to release the metal bracket on the power connector port 1 2 c Lift and remove the power connector port from the computer 3 Installing the power connector port 1 Insert the power connector port into its place on the computer 2 Place the metal bracket on the power connector port and tighten the screw to secure the power connector port to the computer 3 Flip the computer 4 Route the power connector port cable to its routing channels and connect the power connector port cable to its connector on the system board 5 Install the a battery b base cover 6 Follow the procedures in After Working Inside Your Computer 23 Removing the WLAN Card 1 Follow the procedures in Before Working Inside Your Computer 2 Remove the base cover 3 Perform the following steps to remove the WLAN card a Disconnect the WLAN cables from their connectors on the WLAN card 1 b Remove the screw that secures the WLAN card to the computer 2 4 Remove the WLAN card from the computer Installing the WLAN Card Place the WLAN card into its slot on the computer Tig
36. ter 2 16 Installing the Palmrest Place the palmrest on the computer Connect the following cables to their connectors on the system board a LED board b USH board c touchpad board Tighten the screws at the front and back of the computer to secure the palmrest Install the a keyboard b keyboard trim c battery d base cover Follow the procedures in After Working Inside Your Computer Removing the SmartCard Reader Board K NOTE This component is sold separately and is not shipped with the computer 1 2 Follow the procedures in Before Working Inside Your Computer Remove the base cover a b battery c memory d keyboard trim e keyboard f palmrest Perform the following steps a Disconnect the SmartCard reader board cable from the USH board 1 2 b Peel the cable to release from the adhesive 3 17 4 Release the SmartCard reader board To release the SmartCard reader board a Remove the screws that secure the SmartCard reader board to the palmrest 1 b Push the SmartCard reader board to release it 2 5 Remove the SmartCard reader board from the palmrest 18 Installing the SmartCard Reader Board L Place the SmartCard reader board into its slot on the palmrest Tighten the screws to secure the SmartCard reader board to the palmrest Fix the SmartCard reader cable and connect the SmartCard reader cable to its connector on the USH board Install t
37. the metal bracket that secures the finger print reader board to the palmrest 1 2 Disconnect the finger print reader cable from the finger print reader board 3 4 Remove the finger print reader board from the palmrest 5 Installing the Finger Print Reader Board 1 Insert the finger print reader board into its place on the palmrest Connect the finger print reader cable to the finger print reader board 3 Place the metal bracket on the finger print reader board and tighten the screw to secure the finger print reader board 4 Install the keyboard trim keyboard palmrest battery base cover 5 Follow the procedures in After Working Inside Your Computer cQ290 Removing the LED Board 1 Follow the procedures in Before Working Inside Your Computer 2 Remove the base cover a b battery c keyboard trim d keyboard e palmrest 3 Perform the following steps to remove the LED board a Disconnect the LED board cable from its connector on the LED board 1 2 b Remove the screw that secures the LED board to the palmrest 3 c Remove the LED board from the palmrest 4 21 Installing the LED Board Insert the LED board into its slot on the palmrest Tighten the screw that secures the LED board to the palmrest Connect the LED board cable to its connector on the LED board Install the palmrest keyboard keyboard trim battery base cover 5 Follow the procedures in After Working In
38. the system or hard drive password Deleting the admin password automatically deletes the system password and the hard drive password K NOTE Successful password changes take effect immediately Default Setting Not set Allows you to set change or delete the system password K NOTE Successful password changes take effect immediately Default Setting Not set Allows you to set change or delete the password on the system s internal hard disk drive K NOTE Successful password changes take effect immediately Default Setting Not set Allows you to enforce the option to always set strong passwords Default Setting Enable Strong Password is not selected NOTE If Strong Password is enabled Admin and System passwords must contain at least one uppercase character one lowercase character and be at least 8 characters long Allows you to determine the minimum and maximum length of Administrator and System passwords Allows you to enable or disable the permission to bypass the System and the Internal HDD password when they are set The options are e Disabled e Reboot bypass Default Setting Disabled Allows you to enable the disable permission to the System and Hard Drive passwords when the admin password is set Option Non Admin Setup Changes TPM Security Computrace CPU XD Support OROM Keyboard Access Admin Setup Lockout Table 5 Secure Boot Option Secure Boot Enable Expert Key Management
39. tor pins Also before you connect a cable ensure that both connectors are correctly oriented and aligned gt NOTE The color of your computer and certain components may appear differently than shown in this document To avoid damaging your computer perform the following steps before you begin working inside the computer 1 Ensure that your work surface is flat and clean to prevent the computer cover from being scratched 2 Turn off your computer see Turning off Your Computer Dm p 10 11 12 If the computer is connected to a docking device docked undock it CAUTION To disconnect a network cable first unplug the cable from your computer and then unplug the cable from the network device Disconnect all network cables from the computer Disconnect your computer and all attached devices from their electrical outlets Close the display and turn the computer upside down on a flat work surface a NOTE To avoid damaging the system board you must remove the main battery before you service the computer Remove the base cover Remove the main battery Turn the computer top side up Open the display Press and hold the power button for few seconds to ground the system board CAUTION To guard against electrical shock always unplug your computer from the electrical outlet before opening the display CAUTION Before touching anything inside your computer ground yourself by touching an unpainted metal surfa
40. w the procedures in Before Working Inside Your Computer Remove the a base cover b battery c display bezel d display panel Perform the following steps to remove the camera from the computer a Lift the camera to release it from the adhesive 1 b Disconnect the camera cable from its connector 2 c Remove the camera from the computer 3 53 Installing the Camera 1 Insert the camera to its place on the display assembly Connect the camera cable to its connector 35 Install the a display panel b display bezel c battery d base cover 4 Follow the procedures in After Working Inside Your Computer Removing the eDP Cable 1 Follow the procedures in Before Working Inside Your Computer 2 Remove the base cover battery memory hard drive assembly keyboard trim keyboard palmrest display hinge brackets display assembly display bezel display panel 3 Perform the following steps to remove the eDP cable from the computer aT Fare an g A a Disconnect the eDP cable from its connector 1 b Peel the eDP cable 2 and remove the eDP cable from the computer 3 54 Installing the eDP cable 1 Fix the eDP cable in its place on the display assembly 2 Connect the eDP cable to its connector 3 Install the display panel display bezel display assembly display hinge brackets palmrest keyboard keyboard trim hard drive assembly memory battery base cover AT Fare E
41. ystem press and hold the power button for about 6 seconds to turn them off After Working Inside Your Computer After you complete any replacement procedure ensure you connect any external devices cards and cables before turning on your computer rat CAUTION To avoid damage to the computer use only the battery designed for this particular Dell computer Do not use batteries designed for other Dell computers 1 Connect any external devices such as a port replicator or media base and replace any cards such as an ExpressCard 2 Connect any telephone or network cables to your computer CAUTION To connect a network cable first plug the cable into the network device and then plug it into the computer Replace the battery Replace the base cover Connect your computer and all attached devices to their electrical outlets Au ps ws Turn on your computer Removing and Installing Components This section provides detailed information on how to remove or install the components from your computer Recommended Tools The procedures in this document may require the following tools Small flat blade screwdriver 0 Phillips screwdriver 1 Phillips screwdriver Small plastic scribe System Overview Connecting Your Charger I f HoOooeoocCoeeeaD saya OO AUOOCIOC ICI N a Joogi T Wf Sow E eT UL z an JUL OL A OQOULODULOOL TZ INS N f oO JOC D0853
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