Inspiron 1420 Service Manual
Contents
1. Replacing the Display Panel A CAUTION Before you perform 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 the back panel on the computer 1 Follow the instructions in Before Working Inside Your Computer 2 Follow the instructions in Removing the Display Panel 3 Replace the six M2 x 3 mm screws three on each side to secure the display bracket to the display panel 4 Connect the camera module cable from the connector 5 Connect the top flex cable connector to the display locking connector on the new display panel 6 Connect the bottom flex cable connector to the inverter connector NOTICE To avoid damaging the display cover and or the display panel ensure that the guide posts at the top of the display panel are properly aligned with the corresponding notches on the display cover 7 Gently place the display panel inside the display cover 8 Replace the two screws securing the display panel to the display top cover 9 Replace the display bezel see Replacing the Display Bezel 10 Replace display assembly see Replacing the Display Assembly 11 Replace the left and right hinge covers by pressing them in place 12 Replace the keyboard see Replacing the Keyboard 13 Replace the keyboard cover see R2. 2 Press down the other end of the WLAN card and tighten the screw securing the card to the system board 3 Connect the appropriate antenna cables to the WLAN card you are installing If the WLAN card has two triangles on the label white and black connect the white antenna cable to the connector labeled main white triangle and connect the black antenna cable to the connector labeled aux black triangle If the WLAN card has three triangles on the label white black and gray connect the white antenna cable to the white triangle connect the black antenna cable to the black triangle and connect the gray antenna cable to the gray triangle 4 Secure unused antenna cables in the protective mylar sleeve 5 Replace the keyboard see Replacing the Keyboard 6 Replace the keyboard cover see Replacing the Keyboard Cover Removing a Mobile Broadband or WWAN Card NOTE WWAN is also available on an ExpressCard K NOTE WWAN card and FCM share the same slot You can install only one card at a time 1 Follow the procedures in Before You Begin 2 Remove the keyboard cover see Removing the Keyboard Cover 3 Remove the keyboard see Removing the Keyboard 4 Loosen the screw that secures the WWAN card to the system board 5 Disconnect the antenna cables from the WWAN card 1 WWAN card 2 antenna cables 2 6 Pull the WWAN card out of its system board connector Replacing a WWAN Card NOTICE The connect
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4. CAUTION Before you perform 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 the back panel on the computer 1 Follow the instructions in Before You Begin 2 Follow the instructions in Removing the Palm Rest 3 Align the new palm rest with the base of the computer and then snap the palm rest into place NOTICE To prevent damage to the cables or the cable connectors ensure that the locking clips on both sides of each system board connector are firmly seated and the cables are secure 4 Connect the touch pad cable to the system board 5 Connect the LED board cable to the system board 6 Replace the three M2 5 x 5mm screws to the locations marked by letter P on top of the palmrest 7 Turn the computer over and replace all the screws 22 in the bottom of the computer to secure the palm rest including the three screws in the battery bay 8 Replace the display assembly see Replacing the Display Assembly 9 Replace the keyboard see Replacing the Keyboard 10 Replace the keyboard cover see Replacing the Keyboard Cover 11 Replace the optical drive see Replacing the Optical Drive Back to Contents Page Back to Contents Page Pin Assignments for I O Connectors Dell Inspiron 1420 Dell Vostro 1400 S
5. 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 the back panel on the computer 1 Follow the instructions in Before You Begin 2 Follow the instructions in Removing the Display Assembly 3 Align the new display assembly over the screw holes in the base of the computer 4 Replace the two M2 5 x 5 mm screws marked D one on each side of the main battery bay to secure the display assembly to the base of the computer 5 Carefully route the Mini Card antenna cables through the cable guide on the base of the computer 6 Connect the Mini Card antenna cable connectors 7 Replace the media buttons board by sliding it in place 8 Tighten the screw to secure the media buttons board 9 Connect the display cable to the system board 10 Replace the left and right hinge covers by pressing them in place 11 Replace the keyboard see Replacing the Keyboard 12 Replace the keyboard cover see Replacing the Keyboard Cover Removing the Display Bezel A CAUTION Before you perform 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 the back panel on the computer 1 Follow the instructions in Before You Beg
6. Windows Vista Start button click the arrow in the lower right corner of the Start menu as shown below and then click Shut Down oce m The computer turns off after the operating system shutdown process is complete 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 system press and hold the power button for about 4 seconds to turn them off Before Working Inside Your Computer Use the following safety guidelines to help protect your computer from potential damage and to help to 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 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 Only a certified service technician should perform repairs on your computer Damage due to servicing that is not authorized by Dell is not covered by your warranty NOTICE 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 th
7. board 10 panel connector system board 18 Take out the system board and keep it aside 19 Disconnect the modem cable from the system board 20 With the rear of the computer facing you gently lift the system board assembly from the left side then slide the system board assembly to the left and lift up on the right side to raise the assembly out of the computer K NOTE It may be necessary to press outward slightly on the plastic around the connectors on the left side of the computer to lift the system board and remove it Replacing the System Board A CAUTION Before you perform 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 the back panel on the computer 1 Follow the instructions in Before You Begin 2 Follow the instructions in Removing the System Board 3 For replacement of the system board perform the steps in Removing the System Board in reverse order NOTICE Before turning on the computer replace all screws and ensure that no stray screws remain inside the computer Failure to do so may result in damage to the computer 4 Turn on the computer K NOTE After replacing the system board enter the computer s alpha numeric Service Tag into the BIOS of the replacement system board 5 Insert the
8. computer 1 Connect the FCM to the connector on the system board 2 Tighten the screw securing the FCM to the system board 3 Replace the keyboard see Replacing the Keyboard 4 Replace the keyboard cover see Replacing the Keyboard Cover Back to Contents Page Back to Contents Page Hard Drive Dell Inspiron 1420 Dell Vostro 1400 Service Manual Removing the Hard Drive Replacing the Hard Drive A CAUTION If you remove the hard drive from the computer when the drive is hot do not touch the metal housing of the hard drive A CAUTION Before working inside your computer follow the safety instructions located in the Product Information Guide NOTICE To prevent data loss turn off your computer see Turning Off Your Computer before removing the hard drive Do not remove the hard drive while the computer is on in standby mode or in hibernate mode NOTICE Hard drives are extremely fragile even a slight bump can damage the drive K NOTE Dell does not guarantee compatibility or provide support for hard drives from sources other than Dell Removing the Hard Drive 1 Follow the procedures in Before You Begin 2 Turn the computer over 3 Loosen the two captive screws securing the hard drive cover and then remove the cover 1 hard drive cover 2 captive screws 2 4 Remove the hard drive assembly using the pull tab 1 hard drive assembly 2 pull tab 5 Remove the two screws securing th
9. 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 the back panel on the computer 1 Follow the instructions in Before You Begin 2 Remove the keyboard cover see Removing the Keyboard Cover 3 Remove the keyboard see Removing the Keyboard 4 Remove the left and right hinge covers using a plastic scribe to pry it out 5 Ensure that the display is opened all the way 150 degrees display cable pull tab Mini Card antenna cables 6 Use the pull tab to disconnect the display cable from the system board 7 Remove the Mini Card antenna cables from the cards 8 Remove the Mini Card antenna cables from the cable guide 9 Remove the screw from the media buttons board 10 Slide the media buttons board left to release it from the grips and lift the media buttons board 1 media buttons board 2 screw 3 grips 5 screws 2 back of the system hinge covers 2 11 Remove the four M2 5 x 5 mm screws one on each side of the main battery bay and one below each hinge cover that connect the display assembly to the computer 12 Lift the display assembly straight up and out of the computer Replacing the Display Assembly A CAUTION Before you perform any of the procedures in this section follow the safety instructions in the Product
10. Bluetooth SIG Inc and is used by Dell under license 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 June 2007 Rev A00 Back to Contents Page Before You Begin Dell Inspiron 1420 Dell Vostro 1400 Service Manual Recommended Tools Turning Off Your Computer Before Working Inside Your Computer This section provides procedures for removing and installing the components in your computer Unless otherwise noted each procedure assumes that the following conditions exist You have performed the steps in Turning Off Your Computer and Before Working Inside Your Computer You have read the safety information in the Dell Product Information Guide A component can be replaced or if purchased separately installed by performing the removal procedure in reverse order Recommended Tools The procedures in this document may require the following tools Small flat blade screwdriver Small Phillips screwdriver Small plastic scribe Flash BIOS update program CD Turning Off Your Computer NOTICE To avoid losing data save and close all open files and exit all open programs before you turn off your computer 1 Shut down the operating system a Save and close all open files and exit all open programs b Click the
11. Dell Inspiron 1420 Dell Vostro 1400 Service Manual Before You Begin nternal Card With Bluetooth Wireless Technolog Optical Drive Hard Drive Memor amera Module alm Rest icroprocessor Thermal Cooling Assembl Modem icroprocessor Module Coin Cell Batter system Board Td Keyboard Cover peakers Keyboard ashing the BIOS Communication Cards in Assignments for I O Connectors ntel Turbo Memor zZ z E T O O 5 C 5 WN U 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 a potential for property damage personal injury or death K NOTE The appearance of your computer may vary from what is shown in this document Information in this document is subject to change without notice 2007 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 Inspiron and Vostro are trademarks of Dell Inc Intel is a registered trademark of Intel Corporation Microsoft Windows and Windows Vista are either trademarks or registered trademarks of Microsoft Corporation in the United States and or other countries Bluetooth is a registered trademark owned by
12. N Before you perform 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 the back panel on the computer 1 Follow the instructions in Before You Begin 2 Remove the optical drive see Removing the Optical Drive 3 Remove the keyboard cover see Removing the Keyboard Cover 4 Remove the keyboard see Removing the Keyboard 5 Remove the display assembly see Removing the Display Assembly 6 Turn the computer over and remove all the screws 22 from the bottom of the computer including the three screws from the battery bay bottom of the system screw 22 7 Turn the computer over and remove the three M2 5 x 5mm screws from locations marked P on top of the palmrest M2 5 x 5mm screws 3 Bottom of the system 8 Disconnect the touch pad cable Use a plastic scribe to release the locking clips on both sides of the system board connector and then gently pull to disconnect the touch pad connector from the system board connector 9 Disconnect the LED board cable 1 touch pad cable 2 palm rest 3 LED board cable 10 Moving from left to right carefully lift the palm rest along the rear edge near the hinge brackets then rotate the palm rest forward to remove it from the computer Replacing the Palm Rest A
13. Panel A CAUTION Before you perform 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 the back panel on the computer 1 Follow the instructions in Before You Begin 2 Remove display assembly see Removing the Display Assembly 3 Remove the display bezel see Removing the Display Bezel r DP Sees screws 2 display panel display cover 4 Remove the two screws securing the display panel to the display cover display panel display cover camera module connector al camera 5 Lift the cable securing tab and gently pull to disconnect the camera module cable from the connector 6 Gently lift the bottom of the display panel up then slide the display panel forward to remove it from the display cover 7 Remove the six M2 x 3 mm screws three on each side securing the display bracket to the display panel 8 Press inward on the metal clamps on both sides of the top flex cable connector and gently pull to disconnect the top flex cable connector from the display locking connector 9 Use the pull tab to disconnect the bottom flex cable connector from the inverter connector back of display panel top flex cable connector camera module cable 4 metal clamp bottom flex cable connector 6 inverter connector
14. 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 1 Follow the procedures in Before You Begin 2 Remove the keyboard cover see Removing the Keyboard 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 the keyboard connector 5 Rotate the keyboard connector latch towards the front of the computer to disconnect the keyboard cable from the keyboard connector on the system board 6 Slide the keyboard cable out of the keyboard connector a e oraa keyboard connector atch e eee E E Replacing the Keyboard 1 Slide the keyboard cable into the keyboard connector 2 Rotate the keyboard connector latch to secure the cable 3 Hook the tabs along the front edge of the keyboard into the palmrest 4 Press on the right edge near the top to snap the keyboard into place 5 Replace the two screws to secure the keyboard Back to Contents Page Back to Contents Page Memory Dell Inspiron 1420 Dell Vostro 1400 Service Manual Removing the Memory Module Replacing the Memory Module You can increase yo
15. cessor module cover captive screws 3 3 Loosen the four captive screws securing the microprocessor thermal cooling assembly to the system board then carefully lift the assembly straight out of the computer 1 microprocessor thermal cooling assembly 2 screws 4 Replacing the Microprocessor Thermal Cooling Assembly A CAUTION Before you perform 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 the back panel on the computer 1 Follow the instructions in Before You Begin 2 Follow the instructions in Replacing the Microprocessor Module 3 Align the four captive screws on the new microprocessor thermal cooling assembly with the screw holes on the system board 4 Tighten the four captive screws in the order that they are numbered to secure the microprocessor thermal cooling assembly to the system board 5 Replace the microprocessor module cover Back to Contents Page Back to Contents Page Display Dell Inspiron 1420 Dell Vostro 1400Service Manual Removing the Display Assembly Replacing the Display Assembly Removing the Display Bezel Replacing the Display Bezel Removing the Display Panel Replacing the Display Panel Removing the Display Assembly A CAUTION Before you perform any of the procedures
16. ding strap or by periodically touching a connector on the back panel of the computer If you ordered an internal card with Bluetooth wireless technology with your computer it is already installed 1 Follow the procedures in Before You Begin 2 Remove the memory module cover see Memory metal clip internal card with Bluetooth wireless technology NOTICE Be careful when removing the card to avoid damaging the card card cable or surrounding components 3 Loosen the captive screw to remove the card carrier 4 Gently slide the card out from underneath the metal clips 5 Lift the card from the compartment ensuring that you do not pull on the card cable with excessive force 6 Disconnect the card from the card cable 7 Connect the replacement card to the card cable 8 Slide the card underneath the metal clips 9 Tighten the captive screw to secure the card carrier Back to Contents Page Back to Contents Page Camera Module Dell Inspiron 1420 Dell Vostro 1400 Service Manual Removing and Replacing the Camera Module Removing and Replacing the Camera Module A CAUTION Before you perform 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 the back panel on the computer 1 Follow the in
17. do not touch the heat transfer areas on the microprocessor thermal cooling assembly Oils in your skin can reduce the heat transfer capability of the thermal pads 3 Remove the microprocessor thermal cooling assembly see Removing the Microprocessor Thermal Cooling Assembly NOTICE To avoid damaging the microprocessor hold the screwdriver so that it is perpendicular to the microprocessor module when turning the cam screw 4 To loosen the ZI F socket cam lock use a small flat blade screwdriver and rotate the ZIF socket cam screw counterclockwise until it comes to the cam stop K NOTE The ZIF socket cam screw secures the microprocessor module to the system board 1 microprocessor module 2 ZIF socket 3 ZIF socket cam screw NOTICE When removing the microprocessor module pull the module straight up and out of the ZIF socket Exercise care not to bend the pins on the microprocessor module K NOTE The microprocessor module and the ZI F socket illustration shown may not exactly resemble the ones in your system 5 Lift the microprocessor module straight up and out of the ZIF socket Replacing the Microprocessor Module A CAUTION Before you perform 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 the back pan
18. e hard drive to the hard drive assembly 1 screws 2 2 hard drive assembly 3 hard drive 6 Slide out the hard drive from the hard drive assembly 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 Replacing the Hard Drive 1 Remove the new drive from its packaging Save the original packaging for storing or shipping the hard drive NOTICE Use firm and even pressure to slide the drive into place If you use excessive force you may damage the connector 2 Slide the hard drive in the hard drive assembly 3 Tighten the two screws to secure the hard drive to the hard drive assembly 4 Place the hard drive assembly in the hard drive bay by aligning the tabs on the hard drive assembly with the slots in the bay and pressing the connector end down 5 Replace the hard drive door and tighten the screws 6 Install the operating system for your computer as needed see Restoring Your Operating System in your Owner s Manual 7 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 Cover Dell Inspiron 1420 Dell Vostro 1400 Service Manual Removing the Keyboard Cover Replacing the Keyboard Cover CAUTION Before you begin any of the procedures in thi
19. el on the computer K NOTE When installing a new microprocessor module use the thermal cooling assembly or thermal pad that came with the module if applicable 1 Follow the instructions in Before You Begin NOTI CE Handle the microprocessor module with care Hold the microprocessor module by its edges and do not touch the processor die the small chip in the center of the module 2 Follow the instructions in Removing the Microprocessor Module NOTI CE Ensure that the cam lock is in the fully open position before seating the microprocessor module Seating the microprocessor module properly in the ZIF socket does not require force A microprocessor module that is not properly seated can result in an intermittent connection or permanent damage to the microprocessor and ZIF socket 3 Align the pin 1 corner of the new microprocessor module with the pin 1 corner of the ZIF socket and insert the microprocessor module K NOTE The pin 1 corner of the microprocessor module has a triangle that aligns with the triangle on the pin 1 corner of the ZIF socket K NOTE Gently press down on the substrate on which the processor die is mounted to ensure the microprocessor module is properly seated When the microprocessor module is properly seated all four corners of the module are aligned at the same height If one or more corners of the module is higher than the others the module is not properly seated NOTI CE To avoid damaging t
20. em evenly aligned to avoid bending any connector pins Also before you connect a cable ensure that both connectors are correctly oriented and aligned o 0 OP NOTICE To avoid damaging the computer perform the following steps before you begin working inside the computer 1 Ensure that the work surface is flat and clean to prevent the computer cover from being scratched 2 Turn off your computer see Turning Off Your Computer NOTICE To disconnect a network cable first unplug the cable from your computer and then unplug the cable from the network device 3 Disconnect all telephone or network cables from the computer NOTICE To avoid damaging the system board you must remove the main battery before you service the computer 4 Disconnect your computer and all attached devices from their electrical outlets 5 Close the display and turn the computer upside down on a flat work surface 6 Slide the battery release latches toward the sides of the computer until they are engaged 7 Slide the battery out of the bay 1 battery 2 battery release latches 2 8 Open the display 9 Press the power button to ground the system board A CAUTION To guard against electrical shock always unplug your computer from the electrical outlet before opening the display NOTICE Before touching anything inside your computer ground yourself by touching an unpainted metal surface such as the metal at the back of the computer W
21. eplacing the Keyboard Cover Back to Contents Page Back to Contents Page Fan Dell Inspiron 1420 Dell Vostro 1400 Service Manual Removing the Fan Replacing the Fan Removing the Fan A CAUTION Before you perform 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 the back panel on the computer 1 Follow the instructions in Before You Begin 2 Remove the system board see Removing the System Board 3 Remove the three M2 5 x 5 mm screws securing the fan to the system board 4 Loosen the shoulder screw securing the fan to the system board 5 Disconnect the fan connector from the system board connector 6 Lift the fan out of the computer Replacing the Fan A CAUTION Before you perform 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 the back panel on the computer 1 Follow the instructions in Before You Begin 2 Follow the instructions in Removing the Fan 3 For replacement of the fan perform the steps in Removing the Fan in reverse order Back to Contents Page Back to Conte
22. ervice Manual USB Connector Video Connector S Video TV Out Connector EEE 1394 Connector USB Connector USBP GND Video Connector rafo ve exo S Video GND DCRMA L D DCMPS L IEEE 1394 Connector 1234 Pin Signal Back to Contents Page Back to Contents Page Speakers Dell Inspiron 1420 Dell Vostro 1400 Service Manual Removing the Speakers Replacing the Speakers Removing the Speakers A CAUTION Before you perform 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 the back panel on the computer 1 Follow the instructions in Before You Begin 2 Remove the system board see Removing the System Board 3 Disconnect the speaker cable from the system board 4 Remove the speaker cable from the cable guide on the base of the computer 5 Remove the M2 5 x 5 mm screw securing each of the two speakers to the base of the computer 6 Lift the speakers straight up and out of the computer speaker left speaker cable guide 1 2 speaker cable 4 speaker right Replacing the Speakers A CAUTION Before you perform any of the procedures in this section follow the safety instructions in the Product Informa
23. floppy disk or CD that accompanied the replacement system board into the appropriate drive Follow the instructions that appear on the screen Back to Contents Page Back to Contents Page Dell Inspiron 1420 Dell Vostro 1400 Service Manual 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 A CAUTION A CAUTION indicates a potential for property damage personal injury or death Information in this document is subject to change without notice 2007 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 Intel is a registered trademark of Intel Corporation Microsoft Windows and Windows Vista are either trademarks or registered trademarks of Microsoft Corporation in the United States and or other countries Bluetooth is a registered trademark owned by Bluetooth SIG Inc and is used by Dell under license 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 June 2007 P N N A Rev
24. g a WLAN Card Replacing a WLAN Card Removing a Mobile Broadband or WWAN Card Replacing a WWAN Card If you ordered a wireless Mini Card with your computer the card is already installed A CAUTION Before you begin any of the procedures in this section follow the safety instructions located in the Product I nformation Guide NOTICE To prevent damage to the system board remove the main battery before you service the computer Your computer supports two types of wireless Mini Cards Wireless Local Area Network WLAN Mobile Broadband or Wireless Wide Area Network WWAN Removing a WLAN Card 1 Follow the procedures in Before You Begin 2 Remove the keyboard cover see Removing the Keyboard Cover 3 Remove the keyboard see Removing the Keyboard 4 Loosen the screw that secures the WLAN card to the system board 5 Disconnect the antenna cables from the WLAN card antenna cable connectors WLAN card 6 Pull the WLAN card out of its system board connector Replacing a WLAN 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 WLAN card never place cables under the card 1 Insert the WLAN card connector into the system board connector labeled WLAN at a 45 degree angle by aligning the notch on the WLAN card to the slot on the system board connector
25. he microprocessor hold the screwdriver so that it is perpendicular to the microprocessor module when turning the cam screw 4 To tighten the ZIF socket cam lock and secure the microprocessor module to the system board use a small flat blade screwdriver and rotate the ZIF socket cam screw clockwise until it comes to the cam stop 5 Replace the microprocessor thermal cooling assembly see Replacing the Microprocessor Thermal Cooling Assembly 6 Replace the microprocessor module cover 7 Update the BIOS using a flash BIOS update program floppy disk or CD For instructions on how to flash the BIOS see Flashing the BIOS Back to Contents Page Back to Contents Page Microprocessor Thermal Cooling Assembly Dell Inspiron 1420 Dell Vostro 1400 Service Manual 4 Removing the Microprocessor Thermal Cooling Assembly d Replacing the Microprocessor Thermal Cooling Assembly Removing the Microprocessor Thermal Cooling Assembly A CAUTION Before you perform 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 the back panel on the computer 1 Follow the instructions in Before You Begin 2 Loosen the three captive screws securing the microprocessor module cover then remove the cover and set it aside 1 2 micropro
26. hile you work periodically touch an unpainted metal surface to dissipate static electricity which could harm internal components 10 Remove any installed cards from the ExpressCard slot and the 8 in 1 memory card reader Back to Contents Page Back to Contents Page Flashing the BIOS Dell Inspiron 1420 Dell Vostro 1400 Service Manual 1 Download the BIOS utility from the Dell Support website at support dell com and save it to your desktop 2 After the download completes double click the BIOS utility file 3 In the Dell BIOS Flash window click Continue 4 When the reboot message appears click OK and wait for the computer to restart Back to Contents Page Back to Contents Page Internal Card With Bluetooth Wireless Technology Dell Inspiron 1420 Dell Vostro 1400 Service Manual d Removing and Replacing Internal Card With Bluetooth Wireless Technology A CAUTION Before you begin any of the procedures in this section follow the safety instructions in the Product Information Guide NOTI CE 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 and Replacing Internal Card With Bluetooth Wireless Technology A CAUTION Before performing the following procedures follow the safety instructions in your Product Information Guide NOTICE To avoid electrostatic discharge ground yourself by using a wrist groun
27. in 2 Remove the display assembly see Removing the Display Assembly 3 Use a plastic scribe to remove the six rubber bumpers from around the display assembly 4 Remove the six M2 5 x 5 mm screws from around the display assembly NOTICE To avoid damaging the bezel carefully separate the bezel from the display assembly by starting along the bottom of the display near the Dell logo and working around the edge of the display towards the release latch 5 Use your fingers to separate the bezel from the display assembly by lifting the inside edge of the bezel up and away from the center of the display assembly rubber bumpers 6 ia M2 5 x 5 mm screws 6 a display Replacing the Display Bezel A CAUTION Before you perform 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 the back panel on the computer 1 Follow the instructions in Before You Begin 2 Follow the instructions in Removing the Display Assembly 3 Starting near the hinges near the Dell logo use your fingers to snap the new bezel into place 4 Replace the six M2 5 x 5 mm screws to secure the bezel 5 Replace the six rubber bumpers to cover the screws 6 Replace the display assembly see Replacing the Display Assembly Removing the Display
28. nts Page Intel Turbo Memory Dell Inspiron 1420 Dell Vostro 1400 Service Manual Removing the FCM Replacing the FCM The Intel Turbo Memory also called Flash Cache Module FCM is an internal flash drive that helps improve the performance of your computer 4 NOTE This card is only compatible with the Windows Vista operating system 4 NOTE If you ordered a Intel Turbo Cache Memory with your computer the card is already installed K NOTE WWAN card and FCM share the same slot You can install only one card at a time Removing the FCM 1 Follow the procedures in Before You Begin 2 Remove the keyboard cover see Removing the Keyboard Cover 3 Remove the keyboard see Removing the Keyboard 4 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 5 Remove the screw securing the FCM to the system board 6 Lift the card out of its connector 1 antenna cables 2 screw Replacing the FCM NOTI CE When installing this card ensure the two antenna cables are not under the card The antenna cables are designed to lay alongside the FCM and into the protective sleeve Installing the card on top of these antenna cables may cause damage to your computer NOTI CE Install the FCM in the WWAN slot Do not install an FCM in the WLAN card slot Doing so may cause damage to your
29. o not use tools to spread the memory module securing clips 5 Use your fingertips to carefully spread apart the securing clips on each end of the memory module connector until the module pops up 6 Remove the module from the connector Replacing the Memory Module 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 1 Align the notch in the module edge connector with the tab in the connector slot 2 Slide the module firmly into the slot at a 30 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 3 Replace the memory module cover and tighten the three captive screws 4 Insert the 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 I nformation Back to Contents Page Back to Contents Page Communication Cards Dell Inspiron 1420 Dell Vostro 1400 Service Manual Removin
30. ors 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 WWAN card never place cables under the card 1 Insert the WWAN card connector into the system board connector labeled WWAN at a 45 degree angle by aligning the notch on the WWAN card to the slot on the system board connector 2 Press down the other end of the WWAN card and tighten the screw securing the card to the system board 3 Connect the appropriate antenna cables to the WWAN card you are installing Connect the white striped cable to the connector on the card marked with a white triangle Connect the black striped cable to the connector on the card marked with a black triangle 4 Secure unused antenna cables in the protective mylar sleeve 5 Replace the keyboard see Replacing the Keyboard 6 Replace the keyboard cover see Replacing the Keyboard Cover Back to Contents Page Back to Contents Page Modem Dell Inspiron 1420 Dell Vostro 1400 Service Manual Removing and Replacing the Modem Removing and Replacing the Modem A CAUTION Before you begin any of the procedures in this section follow the safety instructions located in the Product Information Guide 1 Follow the procedures in Before You Begin 2 Turn the computer over loosen the three captive screws on the modem cover and then remove the cover 3 Remove the screw
31. s 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 Cover 1 Follow the procedures in Before You Begin 2 Open the display as far as it will open NOTICE To avoid damage to the keyboard cover do not lift the cover on both sides simultaneously 3 Insert a plastic scribe into the indent to lift the keyboard cover on the right side 4 Ease the keyboard cover up moving from right to left and remove it 1 keyboard cover 2 scribe Replacing the Keyboard Cover 1 Insert the left edge of the keyboard cover 2 Press from left to right until the keyboard cover snaps into place Back to Contents Page Back to Contents Page Keyboard Dell Inspiron 1420 Dell Vostro 1400 Service Manual Removing the Keyboard Replacing the Keyboard 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
32. securing the modem to the system board 4 Remove the modem by using the pull tab 5 Remove the modem cable 3 modem cable idem S 6 Connect the modem cable 7 Install the replacement modem by pressing the modem into the connector on the system board NOTICE The connectors are keyed to ensure correct insertion If you feel resistance check the connectors and realign the card 8 Tighten the screw securing the modem to the system board 9 Replace the modem cover and tighten the three captive screws Back to Contents Page Back to Contents Page Optical Drive Dell Inspiron 1420 Dell Vostro 1400 Service Manual Removing the Optical Drive Replacing the Optical Drive A CAUTION Before you begin any of the procedures in this section follow the safety instructions in the Product Information Guide Removing the Optical Drive 1 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 push the notch to release the optical drive from the bay 5 Slide the optical drive out of the bay 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 1420 Dell Vostro 1400 Service Manual Removing the Palm Rest Replacing the Palm Rest Removing the Palm Rest A CAUTIO
33. structions in Before You Begin 2 Remove the display bezel see Removing the Display Bezel 3 Lift the cable securing tab and gently pull the camera module cable from the connector 4 Remove the two M2 x 3 mm screws securing camera module to the display assembly 5 Gently lift the camera module 6 Install the replacement camera and tighten the two M2 x 3 mm screws 7 Insert the camera module cable in the connector and press down the securing tab 8 Replace the display bezel see Replacing the Display Bezel display 2 screws 1 2 3 camera 4 camera module Back to Contents Page Back to Contents Page Coin Cell Battery Dell Inspiron 1420 Dell Vostro 1400 Service Manual Removing the Coin Cell Battery Replacing the Coin Cell Battery 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 Coin Cell Battery 1 Follow the procedures in Before You Begin 2 Turn the computer over 3 Loosen the captive screws on the coin cell battery cover and remove the cover 4 Remove
34. the modem see Modem 5 Disconnect the coin cell battery cable from the system board 1 coin cell battery 2 battery cable connector 6 Lift the battery out Replacing the Coin Cell Battery 1 Connect the coin cell battery cable to the system board 2 Place the coin cell battery on the system board in the location marked f 3 Replace the modem see Modem 4 Replace the cover and tighten the captive screws Back to Contents Page Back to Contents Page Microprocessor Module Dell Inspiron 1420 Dell Vostro 1400 Service Manual Removing the Microprocessor Module d Replacing the Microprocessor Module Removing the Microprocessor Module A CAUTION Before you perform 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 the back panel on the computer NOTICE Handle the microprocessor module with care Hold the microprocessor module by its edges and do not touch the processor die the small chip in the center of the module 1 Follow the instructions in Before You Begin 2 Loosen the three captive screws securing the microprocessor module cover then remove the cover and set it aside microprocessor module cover captive screw 3 NOTICE To ensure maximum cooling for the microprocessor
35. tion Guide NOTICE To avoid electrostatic discharge ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface such as the back panel on the computer 1 Follow the instructions in Before You Begin 2 Follow the instructions in Removing the Speakers NOTICE Exercise care when handling or replacing the speakers 3 Place each of the new speakers in the appropriate speaker slot K NOTE For proper placement align the slots on the speakers with the screw hole guide posts on the base of the computer 4 Replace the two M2 5 x 5 mm screws to secure the speakers to the base of the computer 5 Carefully route the speaker cable through the cable guide on the base of the computer 6 Connect the speaker cable to the system board 7 Replace the system board see Replacing the System Board Back to Contents Page Back to Contents Page System Board Dell Inspiron 1420 Dell Vostro 1400 Service Manual Removing the System Board Replacing the System Board Removing the System Board A CAUTION Before you perform 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 the back panel on the computer The system board s BIOS chip contains the Service Tag which is also
36. ur computer memory by installing memory modules on the system board 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 NOTICE 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 DIMMB Insert memory modules at a 30 degree angle to avoid damaging the connector K NOTE For optimal performance identical memory modules should be used in each connector K NOTE If the memory module is not installed properly the computer may not boot properly No error message indicates this failure A CAUTION Before you begin any of the procedures in this section follow the safety instructions located in the Product Information Guide Removing the Memory Module 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 1 Follow the procedures in Before You Begin 2 Turn the computer over 3 Loosen the captive screws from the memory module cover 4 Lift the memory module cover and set it aside captive screws 3 NOTICE To prevent damage to the memory module connector d
37. visible on a barcode label on the bottom of the computer The replacement kit for the system board includes a CD that provides a utility for transferring the Service Tag to the replacement system board 1 Follow the instructions in Before You Begin 2 Remove the hard drive see Removing the Hard Drive 3 Remove the optical drive see Removing the Optical Drive 4 Remove the WLAN card if applicable see Removing a WLAN Card 5 Remove the WWAN card if applicable see Removing a Mobile Broadband or WWAN Card 6 Remove the Flash Cache Module if applicable see Removing the FCM 7 Remove the modem if applicable see Modem 8 Remove the internal card with Bluetooth Wireless technology if applicable see Removing and Replacing Internal Card With Bluetooth Wireless Technology 9 Disconnect the cable for the internal card with Bluetooth Wireless technology from the system board 10 Remove the keyboard cover see Removing the Keyboard Cover 11 Remove the keyboard see Removing the Keyboard 12 Remove the display assembly see Removing the Display Assembly 13 Remove all memory modules see Removing the Memory Module 14 Remove the microprocessor thermal cooling assembly see Removing the Microprocessor Thermal Cooling Assembly 15 Remove the microprocessor module see Removing the Microprocessor Module 16 Remove the palm rest see Removing the Palm Rest 17 Remove the IO panel and speaker connectors from the system
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