Dell 1525 Laptop User Manual
Contents
1. 1 Follow the procedures in Before You Begin 2 Remove the center control cover see Removing the Center Control Cover 3 Remove the two screws at the top of the keyboard NOTICE The key caps on the keyboard are fragile easily dislodged and time consuming to replace Be careful when removing and handling the keyboard 4 Lift the keyboard and hold it up and slightly forward to access to the keyboard connector 5 To disconnect the keyboard cable from the keyboard connector on the system board rotate the keyboard connector latch toward the front of the computer 6 Slide the keyboard cable out of the keyboard connector keyboard keyboard tabs 5 iat keyboard cable Replacing the Keyboard 1 Slide the keyboard cable into the keyboard connector 2 Rotate the keyboard connector latch to secure the cable 3 Align the tabs along the bottom of the keyboard and slide them under the palm rest 4 Press on the right edge near the top to snap the keyboard into place 5 Replace the two screws on the top of the keyboard Back to Contents Page Back to Contents Page Battery Latch Assembly Dell Inspiron 1525 1526 Service Manual Removing the Battery Latch Assembly Replacing the Battery Latch Assembly Removing the Battery Latch Assembly A CAUTION Before you begin the following procedure follow the safety instructions in the Product Information Guide 1 Follow the instructions in Before You B2. If you encounter too much resistance do not force the card Check the card orientation and try again The computer recognizes the ExpressCard and automatically loads the appropriate device driver If the configuration program tells you to load the manufacturer s drivers use the media that came with the ExpressCard Back to Contents Page Back to Contents Page Pin Assignments for O Connectors Dell Inspiron 1525 1526 Service Manual USB Connector Video Connector S Video TV Out Connector 1394 Connector HDMI Connector USB Connector Video Connector 123 4 5 7 8 3 G 1112131415 Pin Signal Pin Signal ralo ovr mo S Video TV Out Connector Pin Signal HDMI Connector 181715 131197531 2018 16 1412108 6 4 E MDS Date Ds 2 3 3 TMDS Data 1 Shield 6 7 8 TMDS Data 1 DDC Data TMDS Data 0 TMDS Data O Shield 18 5V Power 9 TMDS Data 0 Hot Plug Detect TMDS Clock SHELL Back to Contents Page Back to Contents Page Subscriber Identity Module Optional Dell Inspiron 1525 1526 Service Manual Subscriber Identity Modules SIM identify users uniquely through an International Mobile Subscriber Identity Replacing the SIM A CAUTION Before you begin any of the procedures in this section follow the safety instructions in the Product Information Guide K NOTE Only GSM HSDPA type cards need a SIM EVDO cards
3. 2 Slide the card into the slot until the card is completely seated in its connector If you encounter too much resistance do not force the card Check the card orientation and try again The computer recognizes the memory card and automatically loads the appropriate device driver If the configuration program tells you to load the manufacturer s drivers use the media that came with the memory card if applicable Back to Contents Page Back to Contents Page Center Control Cover Dell Inspiron 1525 1526 Service Manual A CAUTION Before you begin any of the procedures in this section follow the safety instructions in the Product Information Guide NOTICE 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 NOTICE To help prevent damage to the system board you must remove the battery from the battery bay before you begin working inside the computer Removing the Center Control Cover 1 Follow the procedures in Before You Begin 2 Remove the two screws securing the center control cover from the battery bay 3 Turn the computer top side up and open the display as far as it will open 4 Insert a plastic scribe into the indent to lift the center control cover on the right side and ease the center control cover up center control cover scribe media control buttons connector
4. 5 Disconnect the cable from the media control buttons connector located underneath the center control cover NOTICE To avoid damage to the data cable connected to the system board ensure that you do not pull hard when you are raising the center control cover NOTICE To avoid damage to the center control cover do not lift the cover on both sides simultaneously 6 Remove the center control cover 7 Remove the two screws at the top of the keyboard NOTICE The key caps on the keyboard are fragile easily dislodged and time consuming to replace Be careful when removing and handling the keyboard screws keyboard 3 keyboard tabs 5 4 keyboard cable 5 keyboard connector latch media control buttons connector 8 Lift the keyboard and hold it up and slightly forward to access to the media control buttons connector 9 Disconnect the media control buttons connector and remove the media control buttons cable Replacing the Center Control Cover 1 Reconnect the media control buttons cable to the connector below the keyboard 2 Align the tabs along the bottom of the keyboard and slide them under the palm rest 3 Press on the right edge near the top to snap the keyboard into place 4 Replace the two screws on the top of the keyboard 5 Reconnect the media control buttons connector to the center control cover 6 Insert the left edge of the center control cover 7 Press from left to right until the cover snaps in
5. Product Information Guide NOTICE Ensure the battery latch assembly is properly oriented The indent for the screw should face up when installing the assembly 1 Slide the battery latch assembly into place 2 Replace the spring 3 Align the battery release button with the hole in the battery latch assembly then press the button into place 4 Follow the steps in Removing the Battery Latch Assembly in the reverse order Back to Contents Page Back to Contents Page Memory Dell Inspiron 1525 1526 Service Manual A CAUTION Before you begin any of the procedures in this section follow the safety instructions in the Product Information Guide You can increase your computer memory by installing memory modules on the system board See Specifications in your Owner s Manual for information on the memory supported by your computer Install only memory modules that are intended for your computer K NOTE Memory modules purchased from Dell are covered under your computer warranty Your computer has two user accessible SODIMM sockets DIMM A and DIMM B accessed from the bottom of the computer NOTI CE If you need to install memory modules in two connectors install a memory module in the connector labeled DIMMA before you install a module in the connector labeled DI MMB Removing Memory Module The memory modules are located under the memory module cover on the bottom of the computer 1 Follow the procedures in Be
6. do not use a SIM 1 Follow the procedures in Before You Begin 2 In the battery bay slide the SIM into the compartment with the cut off corner of the card facing away from the compartment 1 SIM 2 battery bay Removing the SIM Press the SIM into the slot to release it When it is partially ejected remove the SIM from the battery bay Back to Contents Page Back to Contents Page Speaker Assembly Dell Inspiron 1525 1526 Service Manual Removing the Speaker Assembly A CAUTION Before you begin the following procedure follow the safety instructions in the Product Information Guide 1 Follow the instructions in Before You Begin 2 Remove the center control cover see Removing the Center Control Cover 3 Remove the keyboard see Removing the Keyboard 4 Remove the display assembly see Removing the Display Assembly 5 Disconnect the speaker cable connector from the system board 6 Remove the four screws securing the speaker assembly to the base of the computer 7 Remove the speaker assembly 1 screws 2 speaker cable connector DEST E Replacing the Speaker Assembly A CAUTION Before you begin the following procedure follow the safety instructions in the Product Information Guide 1 Align the guide holdes in the speaker assembly with the guide posts on the base of the computer then lower the assembly into place 2 Replace the four securing screws 3 Route the speaker cables c
7. gently snap it into place 2 Connect the touch pad connector and the device status lights LED connector to the system board 3 Replace the two screws on the top of the palm rest 4 Turn the computer over and replace the nine screws on the bottom of the computer to secure the palm rest Back to Contents Page Back to Contents Page ExpressCards Dell Inspiron 1525 1526 Service Manual Removing an ExpressCard or Blank A CAUTION Before you begin any of the procedures in this section follow the safety instructions in the Product Information Guide Press the card or blank to remove it from its slot Save a blank to use when no ExpressCard is installed in a slot Blanks protect unused slots from dust and other particles Installing an ExpressCard or Blank A CAUTION Before you begin any of the procedures in this section follow the safety instructions in the Product Information Guide You can install an ExpressCard while the computer is running The computer automatically detects the card ExpressCards are generally marked with a symbol such as a triangle or an arrow or a label to indicate which end to insert into the slot The cards are keyed to prevent incorrect insertion If card orientation is not clear see the documentation that came with the card To install an ExpressCard 1 Hold the card with the top side of the card facing up 2 Slide the card into the slot until the card is completely seated in its connector
8. higher than the others the module is not seated properly ZIF socket cam screw ZIF socket fomaem NOTI CE To avoid damage to the processor hold the screwdriver so that it is perpendicular to the processor when turning the cam screw 2 Tighten the ZIF socket by turning the cam screw clockwise to secure the processor module to the system board 3 Replace the processor thermal cooling assembly see Replacing the Processor Thermal Cooling Assembly Back to Contents Page Back to Contents Page Processor Thermal Cooling Assembly Dell Inspiron 1525 1526 Service Manual Removing the Processor Thermal Cooling Assembly A CAUTION Before you begin the following procedure follow the safety instructions in the Product Information Guide 1 Follow the instructions in Before You Begin 2 Turn the computer over 3 Remove the eight captive screws securing the back cover and remove the module cover 1 module cover 2 captive screws 8 4 In sequential order loosen the five captive screws securing the processor thermal cooling assembly to the system board then carefully lift the processor thermal cooling assembly out of the computer captive screws 5 processor thermal cooling assembly Replacing the Processor Thermal Cooling Assembly A CAUTION Before you begin the following procedure follow the safety instructions in the Product I nformation Guide 1 Align the five captive screws on the processor thermal co
9. the Hard Drive A CAUTION Before you begin any of the procedures in this section follow the safety instructions in the Product Information Guide NOTICE Hard drives are extremely fragile Exercise care when handling the hard drive 1 Replace the hard drive cover and tighten the two screws to secure the cover to the hard drive NOTICE Use firm and even pressure to slide the hard drive into place Excessive force may result in damage to the connector 2 Slide the hard drive into the hard drive bay until the drive is fully seated 3 Replace the two screws to secure the hard drive 4 Install the operating system for your computer as needed see Restoring Your Operating System in your Owner s Manual 5 Install the drivers and utilities for your computer as needed see Reinstalling Drivers and Utilities in your Owner s Manual Back to Contents Page Back to Contents Page Keyboard Dell Inspiron 1525 1526 Service Manual A CAUTION Before you begin any of the procedures in this section follow the safety instructions in the Product Information Guide NOTICE 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 NOTICE To help prevent damage to the system board you must remove the battery from the battery bay before you begin working inside the computer Removing the Keyboard
10. CD to flash the BIOS press lt F12 gt before inserting the CD so that you can set up the computer to boot from a CD for one time only Otherwise you must enter the system setup program to change the default boot order 2 Insert the BIOS update program CD and turn on the computer NOTI CE Do not interrupt this process once it begins Doing so may cause system damage Follow the instructions that appear on the screen The computer continues to boot and updates the new BIOS When the flash update is complete the computer will automatically reboot 3 Press lt F2 gt during POST to enter the system setup program 4 Press lt Alt gt and lt f gt to reset the computer defaults 5 Press lt Esc gt select Save Exit and press lt Enter gt to save configuration changes 6 Remove the flash BIOS update program CD from the drive and restart the computer Flashing the BIOS From the Hard Drive NOTICE Plug the AC adapter into a known good power source to prevent a loss of power Failure to do so may cause system damage 1 Ensure that the AC adapter is plugged in the main battery is properly installed and a network cable is attached 2 Turn on the computer 3 Locate the latest BIOS update file for your computer at support dell com 4 Click Download Now to download the file 5 If the Export Compliance Disclaimer window appears click Yes Accept this Agreement The File Download window appears 6 Click Save this progr
11. CM Card 2 M2 x 3 mm securing screw Replacing the FCM NOTICE Install the FCM in the WWAN slot Do not install an FCM in the WLAN card slot Doing so may cause damage to your computer 1 Insert the FCM connector at a 45 degree angle into the system board connector labeled FCM 2 Press the other end of the FCM down into the slot on the system board until the card clicks into place 3 Replace the M2 x 3 mm securing screw Back to Contents Page Back to Contents Page Optical Drive Dell Inspiron 1525 1526 Service Manual Removing the Optical Drive i Follow the procedures in Before You Begin 2 Turn the computer over 3 Remove the locking screw from the optical drive 4 Using a plastic scribe or screw driver push the notch to release the optical drive from the bay 5 Slide the optical drive out of the bay 1 locking screw 2 notch 3 optical drive Replacing the Optical Drive 1 Slide the optical drive into the bay 2 Replace and tighten the locking screw Back to Contents Page Back to Contents Page Palm Rest Dell Inspiron 1525 1526 Service Manual Removing the Palm Rest A CAUTION Before you begin the following procedure follow the safety instructions in the Product Information Guide 1 Follow the instructions in Before You Begin 2 Remove the center control cover see Removing the Center Control Cover 3 Remove the keyboard see Removing the Keyboard 4 Remove the in
12. Dell Inspiron 1525 1526 Service Manual Before You Begin Speaker Assembly Subscriber Identity Module Optional Palm Rest ExpressCards ExpressCard Cage Using the Memory Card Reader Processor Thermal Cooling Assembly Optical Drive Processor Module Hard Drive Wireless Mini Cards Center Control Cover System Board Assembly Internal Card With Bluetooth Wireless Technology Coin Cell Battery Keyboard Battery Latch Assembly Button Board Flashing the BIOS Memory Pin Assignments for I O Connectors Display Notes Notices and Cautions K NOTE A NOTE indicates important information that helps you make better use of your computer NOTI CE A NOTICE indicates either potential damage to hardware or loss of data and tells you how to avoid the problem _ CAUTION A CAUTION indicates potential for property damage personal injury or death Information in this document is subject to change without notice 2007 2008 Dell Inc All rights reserved Reproduction in any manner whatsoever without the written permission of Dell Inc is strictly forbidden Trademarks used in this text Dell the DELL logo and Inspiron are trademarks of Dell Inc Microsoft Windows and Windows Vista are either trademarks or registered trademarks of Microsoft Corporation in the United States and or other countries Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or t
13. am to disk and then click OK The Save In window appears 7 Click the down arrow to view the Save In menu select Desktop and then click Save The file downloads to your desktop 8 Click Close if the Download Complete window appears The file icon appears on your desktop and is titled the same as the downloaded BIOS update file 9 Double click the file icon on the desktop and follow the instructions on the screen Back to Contents Page Back to Contents Page Internal Card With Bluetooth Wireless Technology Dell Inspiron 1525 1526 Service Manual CAUTION Before you begin any of the procedures in this section follow the safety instructions in the Product Information Guide NOTICE 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 NOTICE To help prevent damage to the system board you must remove the battery from the battery bay before you begin working inside the computer Removing the Internal Card With Bluetooth Wireless Technology 1 Follow the procedures in Before You Begin 2 Remove the center control cover see Removing the Center Control Cover 3 Remove the screw securing the card 4 Grasp the connector end of the card and slide it out from under the securing tabs 5 Disconnect the cable from the card 1 card 2 securing screw Replacing the I
14. arefully through the routing channel 4 Connect the speaker cable to the system board 5 Replace the display assembly see Replacing the Display Assembly 6 Replace the keyboard see Replacing the Keyboard 7 Replace the center control cover see Replacing the Center Control Cover Back to Contents Page Back to Contents Page System Board Assembly Dell Inspiron 1525 1526 Service Manual S Video Board Charger Board The system board s BIOS chip contains the Service Tag which is also visible on a barcode label on the bottom of the computer The replacement kit for the system board includes media that provides a utility for transferring the Service Tag to the replacement system board Removing the System Board Assembly A CAUTION Before you begin the following procedure follow the safety instructions in the Product Information Guide 1 Follow the instructions in Before You Begin 2 Remove memory module s see Removing Memory Module 3 Remove the hard drive see Removing the Hard Drive 4 Remove the optical drive see Removing the Optical Drive 5 Remove all Mini Cards see Removing Mini Card 6 Remove the center control cover see Removing the Center Control Cover 7 Remove the keyboard see Removing the Keyboard 8 Remove the display assembly see Removing the Display Assembly 9 Remove the internal card with Bluetooth wireless technology if installed see Removing the Internal Card With Bluet
15. ation Guide 1 Follow the instructions in Before You Begin 2 Remove the center control cover see Removing the Center Control Cover 3 Remove the keyboard see Removing the Keyboard 4 Remove the display assembly see Removing the Display Assembly 5 Remove the six rubber display bumpers from around the display bezel 6 Remove the captive screw and five shoulder screws from around the display bezel rubber display bumpers 6 shoulder screws 5 4 display panel NOTI CE Removal of the bezel from the display back cover requires extreme care to avoid damage to the bezel and the display panel 7 Starting from the bottom corner of the display panel use your fingers to pry the bezel from the top cover then lift the inside edges to separate the remainder of the bezel Replacing the Display Bezel A CAUTION Before you begin the following procedure follow the safety instructions in the Product Information Guide 1 Follow the instructions in Before You Begin 2 Starting at any corner use your fingers to gently snap the bezel into place to secure it to the display panel 3 Replace the captive screw and five shoulder screws around the display bezel 4 Replace the six rubber display bumpers around the display bezel 5 Replace the display assembly see Replacing the Display Assembly 6 Replace the keyboard see Replacing the Keyboard 7 Replace the center control cover see Replacing the Center Control Cover D
16. battery into the battery bay or connect the AC adapter to your computer and an electrical outlet 5 Turn on the computer As the computer boots it detects the additional memory and automatically updates the system configuration information To confirm the amount of memory installed in the computer click Start Help and Support Dell System Information Back to Contents Page Back to Contents Page Wireless Mini Cards Dell Inspiron 1525 1526 Service Manual Flash Cache Module A CAUTION Before you begin any of the procedures in this section follow the safety instructions in the Product Information Guide NOTICE To help prevent damage to the system board you must remove the battery from the battery bay before you begin working inside the computer If you ordered a wireless Mini Card with your computer the card is already installed Your computer supports three types of wireless Mini Cards Wireless Local Area Network WLAN Ultra Wideband UWB card Mobile Broadband or Wireless Wide Area Network WWAN Removing Mini Card 1 Follow the procedures in Before You Begin 2 Turn the computer over 3 Loosen the eight captive screws securing the back and remove the cover captive screws 8 4 Disconnect the antenna cables from the Mini card K NOTE The Mini card may have two or three connectors depending on the type of card you ordered 1 antenna cable connectors 2 securing
17. coin cell battery from the slot 1 system board 2 slot coin cell battery ENS Replacing the Coin Cell Battery A CAUTION Before you begin the following procedure follow the safety instructions in the Product Information Guide 1 Hold the coin cell battery with the positive side up 2 Slide the coin cell battery into the slot and gently press until it snaps to the slot 3 Follow the steps in Removing the Coin Cell Battery in the reverse order Back to Contents Page Back to Contents Page Processor Module Dell Inspiron 1525 1526 Service Manual Removing the Processor Module A CAUTION Before you begin the following procedure follow the safety instructions in the Product Information Guide 1 Follow the instructions in Before You Begin 2 Remove the processor thermal cooling assembly see Removing the Processor Thermal Cooling Assembly NOTICE To avoid damage to the processor hold the screwdriver so that it is perpendicular to the processor when turning the cam screw 3 To loosen the ZIF socket use a small flat blade screwdriver and rotate the ZIF socket cam screw counterclockwise until it comes to the cam stop ZIF socket cam screw ZIF socket NOTICE To ensure maximum cooling for the processor do not touch the heat transfer areas on the processor thermal cooling assembly The oils in your skin can reduce the heat transfer capability of the thermal pads NOTICE When removing the proc
18. d assembly S video board system board Replacing the S Video Board A CAUTION Before you begin the following procedure follow the safety instructions in the Product Information Guide 1 Align the S Video board to the system board in the right direction and gently press to connect the S Video connector to the system board 2 Replace the screw securing the S Video board to the system board assembly 3 Follow the steps in Removing the S Video Board in the reverse order Charger Board Removing the Charger Board A CAUTION Before you begin the following procedure follow the safety instructions in the Product Information Guide 1 Follow the instructions in Before You Begin 2 Remove all memory module see Removing Memory Module 3 Remove the hard drive see Removing the Hard Drive 4 Remove the optical drive see Removing the Optical Drive 5 Remove all Mini Cards see Removing Mini Card 6 Remove the center control cover see Removing the Center Control Cover 7 Remove the keyboard see Removing the Keyboard 8 Remove the display assembly see Removing the Display Assembly 9 Remove the internal card with Bluetooth wireless technology if installed see Removing the Internal Card With Bluetooth Wireless Technology 10 Remove the palm rest see Removing the Palm Rest 11 Remove the ExpressCard cage see Removing the ExpressCard Cage 12 Remove the processor thermal cooling assembly see Removing the Proc
19. display assembly out of the computer Replacing the Display Assembly A CAUTION Before you begin the following procedure follow the safety instructions in the Product Information Guide 1 Follow the instructions in Before You Begin 2 Align the display hinges with the holes in the base of the computer then lower the display into place 3 Replace and tighten the four display assembly hinge screws 4 Slide the antenna cables through the routing hole to the base of the computer 5 Replace the display cable camera cable and antenna cables in their proper routing guides K NOTE Ensure that the display cable camera cable and antenna cables are properly routed and secured beneath the plastic tabs 6 Connect the display cable to the display cable connector on the system board 7 Connect the camera cables to the camera cable connector on the system board 8 Replace the keyboard see Replacing the Keyboard 9 Replace the center control cover see Replacing the Center Control Cover 10 Close the display and turn the computer over 11 Replace and tighten the two screws securing the display assembly from the bottom of the computer 12 Connect the antennae cables to the Mini Cards see Wireless Mini Cards 13 Replace the back cover and tighten the eight captive screws on the cover Display Bezel Removing the Display Bezel A CAUTION Before you begin the following procedure follow the safety instructions in the Product Inform
20. e four screws on the top of the system board 3 Follow the steps in Removing the System Board Assembly in reverse order S Video Board Removing the S Video Board A CAUTION Before you begin the following procedure follow the safety instructions in the Product Information Guide 1 Follow the instructions in Before You Begin 2 Remove all memory modules see Removing Memory Module 3 Remove the hard drive see Removing the Hard Drive 4 Remove the optical drive see Removing the Optical Drive 5 Remove all Mini Cards see Removing Mini Card 6 Remove the center control cover see Removing the Center Control Cover 7 Remove the keyboard see Removing the Keyboard 8 Remove the display assembly see Removing the Display Assembly 9 Remove the internal card with Bluetooth wireless technology if installed see Removing the Internal Card With Bluetooth Wireless Technology 10 Remove the palm rest see Removing the Palm Rest 11 Remove the ExpressCard cage see Removing the ExpressCard Cage 12 Remove the processor thermal cooling assembly see Removing the Processor Thermal Cooling Assembly 13 Remove the processor see Removing the Processor Module 14 Remove the system board see Removing the System Board Assembly 15 Remove the screw securing the S Video board to the system board assembly 16 Carefully disconnect the S Video connector from the system board and seperate the S Video board from the system boar
21. egin 2 Remove all memory module see Removing Memory Module 3 Remove the hard drive see Removing the Hard Drive 4 Remove the optical drive see Removing the Optical Drive 5 Remove all Mini Cards see Removing Mini Card 6 Remove the center control cover see Removing the Center Control Cover 7 Remove the keyboard see Removing the Keyboard 8 Remove the display assembly see Removing the Display Assembly 9 Remove the internal card with Bluetooth wireless technology if installed see Removing the Internal Card With Bluetooth Wireless Technology 10 Remove the palm rest see Removing the Palm Rest 11 Remove the ExpressCard cage see Removing the ExpressCard Cage 12 Remove the processor thermal cooling assembly see Removing the Processor Thermal Cooling Assembly 13 Remove the processor see Removing the Processor Module 14 Remove the system board see Removing the System Board Assembly 15 Squeeze the plastic grip together to release the latch button 16 Carefully pry open the spring 17 Slide the battery latch assembly to the right and remove it 1 plastic grip 2 battery latch assembly ajs PT i NOTI CE Before you remove the battery release button observe the orientation of the button to ensure proper installation when the button is replaced Replacing the Battery Latch Assembly A CAUTION Before you begin the following procedure follow the safety instructions in the
22. eplace the keyboard see Replacing the Keyboard 7 Replace the center control cover see Replacing the Center Control Cover Back to Contents Page Back to Contents Page Hard Drive Dell Inspiron 1525 1526 Service Manual K NOTE Dell does not guarantee compatibility or provide support for hard drives obtained from sources other than Dell A CAUTION Before you begin any of the procedures in this section follow the safety instructions in the Product Information Guide A CAUTION Do not touch the metal housing of the hard drive if you remove the hard drive from the computer while the drive is hot NOTICE To prevent data loss turn off your computer before removing the hard drive Do not remove the hard drive while the computer is on or in Sleep state NOTICE Hard drives are extremely fragile Exercise care when handling the hard drive Removing the Hard Drive 1 Follow the procedures in Before You Begin 2 Turn the computer over and remove the two hard drive screws 1 screws 2 2 hard drive NOTICE When the hard drive is not in the computer store it in protective antistatic packaging see Protecting Against Electrostatic Discharge in the Product Information Guide 3 Slide the hard drive out of the computer 4 Remove the two screws one from each side of the hard drive cover then pull to separate the cover from the hard drive 1 hard drive cover 2 screws 2 alharaarive Replacing
23. essor Thermal Cooling Assembly 13 Remove the processor see Removing the Processor Module 14 Remove the system board see Removing the System Board Assembly 15 Remove the two screws securing the charger board to the system board assembly 16 Carefully disconnect the charger board connector from the system board and seperate charger board from the system board assembly charger board connector Replacing the Charger Board A CAUTION Before you begin the following procedure follow the safety instructions in the Product Information Guide 1 Align the charger board to the system board in the right direction and gently press to connect the charger board connector to the system board 2 Replace the two screws securing the charger board to the system board assembly 3 Follow the steps in Removing the Charger Board in the reverse order Back to Contents Page Back to Contents Page Dell Inspiron 1525 1526 Service Manual K NOTE A NOTE indicates important information that helps you make better use of your computer NOTI CE A NOTICE indicates either potential damage to hardware or loss of data and tells you how to avoid the problem N CAUTION A CAUTION indicates potential for property damage personal injury or death Information in this document is subject to change without notice 2007 2008 Dell Inc All rights reserved Reproduction in any manner whatsoever without the written permission of Dell Inc is st
24. essor module pull the module straight up Be careful not to bend the pins on the processor module 4 Lift the processor module from the ZIF socket Replacing the Processor Module A CAUTION Before you begin the following procedure follow the safety instructions in the Product Information Guide NOTICE Do not touch the processor die Press and hold the processor down on the substrate on which the die is mounted while turning the cam screw to prevent intermittent contact between the cam screw and processor socket does not require force A processor module that is not properly seated can result in an intermittent connection or permanent damage to the NOTICE Ensure that the cam lock is in the fully open position before seating the processor module Seating the processor module properly in the ZIF microprocessor and ZIF socket NOTE If a new processor is installed you will receive a new thermal cooling assembly which will include an affixed thermal pad or you will receive a new thermal pad along with a tech sheet to illustrate proper installation 1 Align the pin 1 corner of the processor module with the pin 1 corner of the ZIF socket then insert the processor module K NOTE The pin 1 corner of the processor module has a triangle that aligns with the triangle on the pin 1 corner of the ZIF socket When the processor module is properly seated all four corners are aligned at the same height If one or more corners of the module are
25. fore You Begin 2 Turn the computer upside down loosen the eight captive screws on the cover and remove the cover captive screws 8 NOTICE To prevent damage to the memory module connector do not use tools to spread the memory module securing clips NOTICE 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 3 Use your fingertips to carefully spread apart the securing clips on each end of the memory module connector until the module pops up 4 Remove the module from the connector Replacing Memory Module NOTI CE 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 Align the notch in the module edge connector with the tab in the connector slot Slide the module firmly into the slot at a 45 degree angle and rotate the module down until it clicks into place If you do not feel the click remove the module and reinstall it K NOTE If the memory module is not installed properly the computer may not boot No error message indicates this failure notch NOTICE If the cover is difficult to close remove the module and reinstall it Forcing the cover to close may damage your computer 3 Replace the memory module cover 4 Insert the
26. fore you begin the following procedure follow the safety instructions in the Product Information Guide 1 Follow the instructions in Before You Begin 2 Place the camera microphone assembly on the display cover 3 Connect the camera cable connector to the camera microphone assembly Back to Contents Page Back to Contents Page ExpressCard Cage Dell Inspiron 1525 1526 Service Manual Removing the ExpressCard Cage A CAUTION Before you begin the following procedure follow the safety instructions in the Product Information Guide 1 Follow the instructions in Before You Begin 2 Remove the center control cover see Removing the Center Control Cover 3 Remove the keyboard see Removing the Keyboard 4 Remove the display assembly see Removing the Display Assembly 5 Remove the speakers see Removing the Speaker Assembly 6 Remove the palm rest see Removing the Palm Rest 7 Remove the three screws securing the ExpressCard cage to the computer base 8 Lift the ExpressCard cage gently out of its system board connector and remove it screws 3 ExpressCard cage Replacing the ExpressCard Cage 1 Replace the three screws securing the ExpressCard cage 2 Connect the ExpressCard cable connector to the system board 3 Replace the palm rest see Replacing the Palm Rest 4 Replace the speakers see Replacing the Speaker Assembly 5 Replace the display assembly see Replacing the Display Assembly 6 R
27. heir products Dell Inc disclaims any proprietary interest in trademarks and trade names other than its own Model PP29L January 2008 Rev A00 Back to Contents Page Before You Begin Dell Inspiron 1525 1526 Service Manual Recommended Tools Before Working Inside Your Computer This document provides procedures for removing and installing the components in your computer Unless otherwise noted each procedure assumes that You have performed the steps in Before Working Inside Your Computer You have read the safety information in your Dell Product Information Guide When replacing a component you have already removed the original if installed K NOTE The color of your system and certain system components may appear differently than shown in this document Recommended Tools The procedures in this document may require the following tools Small flat blade screwdriver Phillips screwdriver Small plastic scribe Flash BIOS update see the Dell Support website at support dell com Before Working Inside Your Computer Use the following safety guidelines to help protect your computer from potential damage and to help ensure your own personal safety CAUTION Before you begin any of the procedures in this section follow the safety instructions in the Product Information Guide gt NOTICE Only a certified service technician should perform repairs on your computer Damage due to servicing that is no
28. isplay Panel Removing the Display Panel A CAUTION Before you begin the following procedure follow the safety instructions in the Product Information Guide 1 Follow the instructions in Before You Begin 2 Remove the center control cover see Removing the Center Control Cover 3 Remove the keyboard see Removing the Keyboard 4 Remove the display assembly see Removing the Display Assembly 5 Remove the display bezel see Removing the Display Bezel 6 Remove the two screws securing the display panel to the cover 1 screws 2 2 display panel 7 Lift the display panel out of the display cover 8 Remove the eight screws four on each side of the display panel securing the two brackets to the display panel and remove the brackets 1 display panel 2 screws 8 9 Use the pull tab to disconnect the bottom flex cable connector from the invertor connector 10 Lift the tape securing the top flex cable connector and gently pull to disconnect the top flex cable connector from the display locking connector display panel top flex cable connector bottom flex cable connector E E Replacing the Display Panel A CAUTION Before you begin the following procedure follow the safety instructions in the Product I nformation Guide 1 Follow the instructions in Before You Begin 2 Connect the top flex cable connector to the display connector 3 Connect the bottom flex cable connector to the inverter co
29. nnector 4 Align the screw holes on the display panel with the corresponding screw holes and guide pins on the top cover 5 Gently lower the display panel into place and replace the two screws that secure the display panel to the cover 6 Replace the eight screws four on each side of the display panel to secure the display brackets to the display panel 7 Replace the display bezel see Replacing the Display Bezel 8 Replace the display assembly see Replacing the Display Assembly 9 Replace the keyboard see Replacing the Keyboard 10 Replace the center control cover see Replacing the Center Control Cover Camera and Microphone Assembly Removing the Camera and Microphone Assembly A CAUTION Before you begin the following procedure follow the safety instructions in the Product Information Guide 1 Follow the instructions in Before You Begin 2 Remove the center control cover see Removing the Center Control Cover 3 Remove the keyboard see Removing the Keyboard 4 Remove the display assembly see Removing the Display Assembly 5 Remove the display bezel see Removing the Display Bezel 6 Remove the display panel see Removing the Display Panel 7 Disconnect the camera cable connector from the camera and microphone asssembly 8 Lift the camera and microphone assembly out of the display cover camera cable connector camera microphone assembly Replacing the Camera and Microphone Assembly A CAUTION Be
30. nternal Card With Bluetooth Wireless Technology 1 Connect the cable to the card 2 Slide the card at an angle into the card compartment and replace the securing screw 3 Replace the center control cover see Replacing the Center Control Cover Back to Contents Page Back to Contents Page Button Board Dell Inspiron 1525 1526 Service Manual CAUTION Before you begin any of the procedures in this section follow the safety instructions in the Product Information Guide NOTICE 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 NOTICE To help prevent damage to the system board you must remove the battery from the battery bay before you begin working inside the computer Removing the Button Board 1 Follow the procedures in Before You Begin 2 Remove the center control cover see Removing the Center Control Cover 3 Remove the keyboard see Removing the Keyboard 4 Disconnect the button board cable from the system board 5 Gently pry up the button board from the securing tabs starting from the top left corner 1 button board 2 button board cable Replacing the Button Board 1 To replace the button board remove the palm rest see Removing the Palm Rest 2 Connect the button board cable to the system board 3 Place the button board in position and gently pre
31. oling assembly with the screw holes on the system board 2 In sequential order tighten the five captive screws to secure the processor thermal cooling assembly to the system board 3 Replace the module cover and tighten the eight captive screws Back to Contents Page Back to Contents Page Display Dell Inspiron 1525 1526 Service Manual Display Assembly Display Bezel Display Panel Camera and Microphone Assembly Display Assembly Removing the Display Assembly A CAUTION Before you begin the following procedure follow the safety instructions in the Product Information Guide 1 Follow the instructions in Before You Begin 2 Loosen the eight captive screws on the back cover and remove the cover 3 Disconnect the antenna cables from the mini cards 4 Lift the antenna cables from the securing tabs and release them from the routing channel 5 Remove the two screws securing the display assembly from the bottom of the computer 6 Remove the center control cover see Removing the Center Control Cover 7 Remove the keyboard see Removing the Keyboard 8 Disconnect the display cable from the connector 9 Disconnect the camera cable from the connector 1 display cable 2 camera cable 10 Pull the antenna cables from the routing hole and release them from the routing channel 11 Remove the four screws from the display assembly hinges 3 camera cable a ciplay cable 12 Lift the
32. ooth Wireless Technology 10 Remove the palm rest see Removing the Palm Rest 11 Remove the ExpressCard cage see Removing the ExpressCard Cage 12 Remove the processor thermal cooling assembly see Removing the Processor Thermal Cooling Assembly 13 Remove the processor see Removing the Processor Module 14 Disconnect the processor heat sink fan cable from the system board 15 Disconnect the button board cable from the system board 16 Disconnect the speaker cable from the system board 1 processor heat sink fan cable connector 2 button board cable connector speaker cable connector wireless sniffer board connector 17 Remove the four screws from the top of the system board K NOTE Depending on your system configuration the number of screws shown may be greater than the number of screws present in your system 18 Lift the right side of the system board and then carefully lift the system board out of the computer Replacing the System Board Assembly A CAUTION Before you begin the following procedure follow the safety instructions in the Product Information Guide NOTICE Ensure that any loose cables do not get caught beneath the system board 1 Insert the right side of the system board into the base of the computer at an angle until the connectors on the system board are aligned with the holes on the base of the computer then carefully lower the system board into place 2 Replace th
33. rictly forbidden Trademarks used in this text Dell the DELL logo and Inspiron are trademarks of Dell Inc Microsoft Windows and Windows Vista are either trademarks or registered trademarks of Microsoft Corporation in the United States and or other countries Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products Dell Inc disclaims any proprietary interest in trademarks and trade names other than its own January 2008 Rev AOO Back to Contents Page
34. screw 5 Release the Mini card by removing the securing screw 6 Lift the card out of its system board connector 1 Mini card Replacing Mini Card NOTICE The connectors are keyed to ensure correct insertion If you feel resistance check the connectors on the card and on the system board and realign the card NOTICE To avoid damage to the Mini card never place cables under the card 1 Insert the card connector into the system board connector at a 45 degree angle 2 Press the other end of the card down into the slot on the system board until the card clicks into place 3 Replace the securing screw 4 Connect the cables to the Mini Card ensuring that you route the cables correctly K NOTE For more specific information about which cable to connect to which connector see the documentation that came with your Mini Card 5 Secure unused antenna cables in the protective mylar sleeve 6 Replace the cover and tighten the eight captive screws Flash Cache Module Removing the FCM 1 Follow the procedures in Before You Begin 2 Turn the computer over and remove the cover on the Mini Card compartment 3 Ground yourself by touching one of the metal connectors on the back of the computer K NOTE If you leave the area ground yourself again when you return to the computer 4 Remove the M2 x 3 mm securing screw 5 Lift the FCM out of its system board connector m S a 7a Ort A 1 F
35. ss until the button board secures within the tabs 4 Replace the keyboard see Replacing the Keyboard 5 Replace the center control cover see Replacing the Center Control Cover Back to Contents Page Back to Contents Page Using the Memory Card Reader Dell Inspiron 1525 1526 Service Manual Removing a Memory Card or Blank A CAUTION Before you begin any of the procedures in this section follow the safety instructions in the Product Information Guide NOTI CE Use the memory card configuration utility click the Ss icon in the notification area to select a card and stop it from functioning before you remove it from the computer If you do not stop the card in the configuration utility you may lose data Press the card into the slot to release it from the card reader When it is partially ejected remove the card Installing a Memory Card A CAUTION Before you begin any of the procedures in this section follow the safety instructions in the Product Information Guide You can install a memory card in the computer while the computer is running The computer automatically detects the card Memory cards are generally marked with a symbol such as a triangle or an arrow or a label to indicate which end to insert into the slot The cards are keyed to prevent incorrect insertion If card orientation is not clear see the documentation that came with the card 1 Hold the card with the top side of the card facing up
36. t authorized by Dell is not covered by your warranty NOTICE 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 NOTICE 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 NOTICE When disconnecting a cable pull on the cable s connector or on its strain relief loop not on the cable itself For cable connectors with locking tabs press inward on the locking tabs to release the connector When connecting a cable ensure that the connectors are correctly oriented and aligned to avoid damage to the connector and or the connector s pins 1 Ensure that the work surface is flat and clean to prevent the computer cover from being scratched 2 Click Start Click the arrow nal icon and then click Shut Down to turn off your computer NOTE Ensure that the computer is off and not in a power management mode If you cannot shut down the computer using the operating system press and hold the power button for 4 seconds 3 Disconnect your computer and all attached devices from their electrical outlets NOTICE To disconnect a network cable first unplug the cable from your computer and then unplug it from the network wall jack 4 Disconnect any
37. telephone or network cables from the computer 5 Remove any installed cards from the ExpressCard slot see Removing an ExpressCard or Blank and the 8 in 1 memory card reader see Removing a Memory Card or Blank NOTICE To help prevent damage to the system board you must remove the battery from the battery bay before you service the computer NOTE 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 6 Turn the computer over 7 Slide the battery release latch until they click into place 8 Slide the battery out of the battery bay 1 2 battery battery release latch 9 Turn the computer top side up open the display and press the power button to ground the system board Back to Contents Page Back to Contents Page Flashing the BIOS Dell Inspiron 1525 1526 Service Manual Flashing the BIOS From a CD Flashing the BIOS From the Hard Drive If a BIOS update program CD is provided with a new system board flash the BIOS from the CD If you do not have a BIOS update program CD flash the BIOS from the hard drive Flashing the BIOS From a CD NOTICE Plug the AC adapter into a known good power source to prevent a loss of power Failure to do so may cause system damage 1 Ensure that the AC adapter is plugged in and that the main battery is installed properly K NOTE If you use a BIOS update program
38. ternal card with Bluetooth wireless technology if installed see Removing the Internal Card With Bluetooth Wireless Technology K NOTE It is not necessary to remove the Bluetooth cable connector from the system board connector 5 Disconnect the button board cable from the system board 6 Disconnect the speaker cable from the system board 7 Remove the display assembly see Removing the Display Assembly 8 Remove the nine screws from the bottom of the computer K NOTE The screw locations may vary slightly from the image shown below 9 Turn the computer over and remove the two screws securing the top of the palm rest 10 Disconnect the touch pad connector and the device status lights LED connector from the system board NOTI CE Do not use force to separate the palm rest from the computer If you encounter resistance gently flex or apply pressure to the palm rest or move along the edge working away from the area of resistance until the palm rest is free 1 screws 2 palm rest 2 touch pad connector device status lights LED connector 11 Moving from left to right carefully lift the palm rest along the rear edge near the hinge brackets then gently lift the palm rest to remove it from the computer Replacing the Palm Rest A CAUTION Before you begin the following procedure follow the safety instructions in the Product Information Guide 1 Align the palm rest with the base of the computer and
39. to place 8 In the battery bay replace the two screws that secure the center control cover Back to Contents Page Back to Contents Page Coin Cell Battery Dell Inspiron 1525 1526 Service Manual Removing the Coin Cell Battery Replacing the Coin Cell Battery Removing the Coin Cell Battery A CAUTION Before you begin any of the procedures in this section follow the safety instructions in the Product Information Guide 1 Follow the instructions in Before You Begin 2 Remove all memory module see Removing Memory Module 3 Remove the hard drive see Removing the Hard Drive 4 Remove the optical drive see Removing the Optical Drive 5 Remove all Mini Cards see Removing Mini Card 6 Remove the center control cover see Removing the Center Control Cover 7 Remove the keyboard see Removing the Keyboard 8 Remove the display assembly see Removing the Display Assembly 9 Remove the internal card with Bluetooth wireless technology if installed see Removing the Internal Card With Bluetooth Wireless Technology 10 Remove the palm rest see Removing the Palm Rest 11 Remove the ExpressCard cage see Removing the ExpressCard Cage 12 Remove the processor thermal cooling assembly see Removing the Processor Thermal Cooling Assembly 13 Remove the processor see Removing the Processor Module 14 Remove the system board see Removing the System Board Assembly 15 Use a plastic scribe to pry up the
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