Dell Latitude 131L Service Manual
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Dell Latitude 131L Service Manual

Dell Latitude 131L Service Manual

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Dell™ Latitude™ 131L/Dell Vostro™ 1000 Service Manual
Before You Begin
Optical Drive
Hard Drive
Memory Module(s)
Modem
Mini-Card
Keyboard
Hinge Cover
Display Assembly
Palm Rest
 Notes, Notices, and Cautions
NOTE:
A NOTE indicates important information that helps you make better use of your computer.
CAUTION:
A CAUTION indicates a potential for property damage, personal injury, or death.
 Abbreviations and Acronyms
For a complete list of abbreviations and acronyms, see "Glossary" in the User's Guide.
If you purchased a Dell n Series computer, any references in this document to Microsoft® Windows® operating systems are not applicable.
NOTE:
The color 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, Vostro, and Latitude are trademarks of Dell Inc.; Microsoft and Windows are registered trademarks of Microsoft Corporation.
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.
Model PP23LB
July 2007 Rev. A01
Coin-Cell Battery
Speakers
Processor Thermal-Cooling Assembly
Processor Module
Fan
ExpressCard/Hard-Drive Bay Assembly
System Board
Battery Latch Assembly
Flashing the BIOS
Pin Assignments for I/O Connectors

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Summary of Contents for Dell Latitude 131L

  • Page 1 Trademarks used in this text: Dell, the DELL logo, Vostro, and Latitude are trademarks of Dell Inc.; Microsoft and Windows are registered trademarks of Microsoft Corporation. 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.

  • Page 2: Removing The Battery Latch Assembly

    Back to Contents Page   Battery Latch Assembly Dell™ Latitude™ 131L/ Dell Vostro™ 1000 Service Manual   Removing the Battery Latch Assembly   Replacing the Battery Latch Assembly   CAUTION: Before you begin the following procedure, 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.

  • Page 3: Replacing The Battery Latch Assembly

    hook spring   11. Remove the plastic battery-latch assembly by twisting the assembly slightly and lifting it out of the channel and away from the computer base. battery latch assembly  Replacing the Battery Latch Assembly   1. Insert the latch assembly into the channel on the computer base, and press it into place.  ...

  • Page 4: Before You Begin

    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.
  • Page 5   3. Disconnect any telephone or network cables from 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. NOTICE: To help prevent damage to the system board, remove the main battery before working inside the computer.

  • Page 6: Flashing The Bios

    Back to Contents Page   Flashing the BIOS Dell™ Latitude™ 131L/ Dell Vostro™ 1000 Service Manual   1. Ensure that the AC adapter is plugged in and that the main battery is installed properly. NOTE: If you use a BIOS update program CD to flash the BIOS, set up the computer to boot from a CD before inserting the CD. The BIOS update program CD may not be available in your region.

  • Page 7: Bluetooth® Card

    Back to Contents Page   Bluetooth® Card Dell™ Latitude™ 131L/ Dell Vostro™ 1000 Service Manual   Removing a Bluetooth Card   Replacing a Bluetooth Card   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 the back panel) on the computer.
  • Page 8 Back to Contents Page   ExpressCard/Hard-Drive Bay Assembly Dell™ Latitude™ 131L/ Dell Vostro™ 1000 Service Manual   Removing the ExpressCard/Hard-Drive Bay Assembly   Replacing the ExpressCard/Hard-Drive Bay Assembly   CAUTION: Before you begin the following procedure, 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.
  • Page 9 Back to Contents Page  ...

  • Page 10: Removing A Mini-Card

    Back to Contents Page   Mini-Card Dell™ Latitude™ 131L/ Dell Vostro™ 1000 Service Manual   Removing a Mini-Card   Replacing a Mini-Card If you ordered a Mini-Card with your computer, the card is already installed.   CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.
  • Page 11 metal securing tab Mini-Card metal securing tab  Replacing a Mini-Card NOTICE: The system board and Mini-Card 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: Make sure the antenna cables are not under the card when you insert it.

  • Page 12: Removing The Coin-Cell Battery

    Back to Contents Page   Coin-Cell Battery Dell™ Latitude™ 131L/ Dell Vostro™ 1000 Service Manual   Removing the Coin-Cell Battery   Replacing the Coin-Cell Battery   CAUTION: Before you begin the following procedure, 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.

  • Page 13: Removing The Processor Thermal-Cooling Assembly

    Back to Contents Page   Processor Thermal-Cooling Assembly Dell™ Latitude™ 131L/ Dell Vostro™ 1000 Service Manual   Removing the Processor Thermal-Cooling Assembly   Replacing the Processor Thermal-Cooling Assembly   CAUTION: Before you begin the following procedure, 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.

  • Page 15: Removing The Display Assembly

    Back to Contents Page   Display Assembly Dell™ Latitude™ 131L/ Dell Vostro™ 1000 Service Manual   Removing the Display Assembly   Replacing the Display Assembly   Display Bezel   Display Panel   Display Latch   CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.

  • Page 16: Replacing The Display Assembly

    1 M2.5 x 5-mm screws (2) 2 display cable 3 display cable pull- 4 grounding-wire and captive 5 antenna cables (2) 6 antenna cable screw channel 7 standby switch 8 display cable connector on 9 display cable system board channel  ...

  • Page 17: Removing The Display Bezel

    Removal of the bezel from the display back cover requires extreme care to avoid damage to the bezel.   5. Starting above the DELL™ logo on the display bezel, use your fingers to gently pull up on the bezel and pry it away from the display assembly. Working  your way around the display, continue to carefully pry up the bezel until you clear all sides of the display assembly.

  • Page 18: Display Panel

    3. Replace the six rubber display bumpers around the display bezel.  Display Panel   CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide. NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by touching an unpainted metal surface on the computer. NOTICE: To help prevent damage to the system board, you must remove the main battery (see Before Working Inside Your...

  • Page 19: Replacing The Display Panel

    1 pull-tab on bottom flex-cable 2 top flex-cable 3 display cable connector connector connector 4 inverter connector           Replacing the Display Panel   1. Reconnect the top display-cable connector to the top flex-cable connector.   2. Reconnect the bottom flex-cable connector to the inverter connector.  ...
  • Page 20   1. Replace the spring that attaches the latch to the display panel.   2. Align the latch with the display panel and slide the latch to the left to secure it into place. Back to Contents Page  ...

  • Page 21: Removing A Fan

    Back to Contents Page   Fan Dell™ Latitude™ 131L/ Dell Vostro™ 1000 Service Manual   Removing a Fan   Replacing a Fan   CAUTION: Before you begin the following procedure, 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.
  • Page 22   5. Replace the keyboard (see Replacing the Keyboard).   6. Replace the hinge cover (see Replacing the Hinge Cover). Back to Contents Page  ...
  • Page 23 (Use the "Show line numbers" button in Homesite to identify line numbers.) . Contact If you have questions about this test report, contact MaryLee_Grant@dell.com,Dell Information Development. Test Document Information Document title as it appears in the document: Dell™ Latitude™ 131L/...
  • Page 24 Japanese <META HTTP-EQUIV="Content-Type" content="text/html; charset=shift_jis"> <META HTTP-EQUIV="Content-Type" content="text/html; charset=shift-sjis"> <META HTTP-EQUIV="Content-Type" content="text/html; charset=x-sjis"> Korean <META HTTP-EQUIV="Content-Type" content="text/html; charset=ks_c_5601-1987"> <META HTTP-EQUIV="Content-type" content="text/html; charset=EUC-KR"> <META HTTP-EQUIV="Content-type" content="text/html; charset=iso-2022-kr"> Polish, Czech, Hungarian, Slovakian, Slovenian <META HTTP-EQUIV="Content-Type" content="text/html; charset=windows-1250"> Russian <META HTTP-EQUIV="Content-Type" content="text/html; charset=windows-1251"> S Chinese <META HTTP-EQUIV="Content-Type"...

  • Page 25: Removing The Hard Drive

    Back to Contents Page   Hard Drive Dell™ Latitude™ 131L/ Dell Vostro™ 1000 Service Manual   Removing the Hard Drive   Replacing the Hard Drive   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.
  • Page 26 Back to Contents Page  ...

  • Page 27: Removing The Hinge Cover

    Back to Contents Page   Hinge Cover Dell™ Latitude™ 131L/ Dell Vostro™ 1000 Service Manual   Removing the Hinge Cover   Replacing the Hinge Cover   CAUTION: Before you begin the following procedure, 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.

  • Page 28: Removing The Keyboard

    Back to Contents Page   Keyboard Dell™ Latitude™ 131L/ Dell Vostro™ 1000 Service Manual   Removing the Keyboard   Replacing the Keyboard   CAUTION: Before you begin the following procedure, 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.
  • Page 29   3. Press lightly on the top edges of the keyboard to snap it into place.   4. Replace the two M2.5 x 5-mm screws at the top of the keyboard. Back to Contents Page  ...

  • Page 30: Removing The Memory Module(S)

    Back to Contents Page   Memory Module(s) Dell™ Latitude™ 131L/ Dell Vostro™ 1000 Service Manual   Removing the Memory Module(s)   Replacing the Memory Module(s)   CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide. NOTICE: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your computer's electronic components.

  • Page 31: Replacing The Memory Module(S)

    memory module securing clips (2)  Replacing the Memory Module(s) NOTICE: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your computer's electronic components. You can do so by touching an unpainted metal surface. NOTE: To get maximum performance/dual-channel memory bandwidth capability, both memory module connectors must contain memory modules and the modules must be of the same size and configuration.

  • Page 32: Removing The Modem

    Back to Contents Page   Modem Dell™ Latitude™ 131L/ Dell Vostro™ 1000 Service Manual   Removing the Modem   Replacing the Modem   CAUTION: Before you begin the following procedure, 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.

  • Page 33: Replacing The Modem

    NOTICE: Do not disconnect the modem cable from the system board.   5. Disconnect the modem cable from the modem.  Replacing the Modem   1. Connect the modem cable to the modem. NOTICE: Ensure that the modem cable is routed correctly when you replace the modem.  ...

  • Page 34: Removing An Optical Drive

    Back to Contents Page   Optical Drive Dell™ Latitude™ 131L/ Dell Vostro™ 1000 Service Manual   Removing an Optical Drive   Replacing an Optical Drive Your computer ships with a fixed optical drive installed.   CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.

  • Page 35: Removing The Palm Rest

    Back to Contents Page   Palm Rest Dell™ Latitude™ 131L/ Dell Vostro™ 1000 Service Manual   Removing the Palm Rest   Replacing the Palm Rest   CAUTION: Before you begin the following procedure, 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.

  • Page 36: Replacing The Palm Rest

    captive screw standby switch connector touch pad connector   9. Lift the palm rest and remove it from the computer.  Replacing the Palm Rest   1. Align the palm rest with the computer base and gently snap it into place.  ...

  • Page 37: Pin Assignments For I/O Connectors

    Back to Contents Page   Pin Assignments for I/O Connectors Dell™ Latitude™ 131L/ Dell Vostro™ 1000 Service Manual   USB Connector   Video Connector  USB Connector     Signal USB5V+ USBP– USBP+  Video Connector         Signal Signal CRT_R 9 CRT_G 10 CRT_B 11 MONITOR_DETECT– DDC_DATA...

  • Page 38: Removing The Processor Module

    Back to Contents Page   Processor Module Dell™ Latitude™ 131L/ Dell Vostro™ 1000 Service Manual   Removing the Processor Module   Replacing the Processor Module   CAUTION: Before you begin the following procedure, 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.

  • Page 39: Replacing The Processor Module

     Replacing the Processor Module 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 socket does not require force. NOTICE: A processor module that is not properly seated can result in an intermittent connection or permanent damage to the processor and ZIF socket.

  • Page 40: Removing The Speakers

    Back to Contents Page   Speakers Dell™ Latitude™ 131L/ Dell Vostro™ 1000 Service Manual   Removing the Speakers   Replacing the Speakers   CAUTION: Before you begin the following procedure, 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.

  • Page 41: Replacing The Speakers

    cable routing clips (2) speaker cable  Replacing the Speakers   1. Route the speaker cable back through the routing clips and connect the speaker cable connector to the system board.   2. Align the speakers on the screw holes for securing the speakers to the computer base.  ...

  • Page 42: Removing The System Board

    Back to Contents Page   System Board Dell™ Latitude™ 131L/ Dell Vostro™ 1000 Service Manual   Removing the System Board   Replacing the System Board   CAUTION: Before you begin the following procedure, 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.

  • Page 43: Replacing The System Board

      16. Remove the remaining two M2.5 x 5-mm screws from the system board. M2.5 x 5-mm screws (2)   17. Pull out slightly on the back right side of the computer to release the connectors on the system board from the base.  ...
  • Page 44 13. Replace the modem (see Replacing the Modem).   14. Replace the memory module(s) (see Replacing the Memory Module(s)).   15. Replace the optical drive (see Replacing an Optical Drive).   16. Replace the hard drive (see Replacing the Hard Drive).
  • Page 45 Trademarks used in this text: Dell, the DELL logo, Vostro, and Latitude are trademarks of Dell Inc.; Microsoft and Windows are registered trademarks of Microsoft Corporation. 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.

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