Dell Latitude 120L User Manual

Dell™Latitude™120LServiceManual  Model PP21L Notes, Notices, and Cautions Information in this document is subject to change without notice. ©20

Back to Contents Page  System Components Dell™Latitude™120LServiceManual  Back to Contents Page  CAUTION: Only a certified service techni

Back to Contents Page  Processor Module Dell™Latitude™120LServiceManual Removing the Processor Module Replacing the Processor Module Re

 1. Align the pin-1 corner of the processor module so that it points to the triangle on the system board, and insert the processor module into the ZI

Back to Contents Page  Processor Thermal-Cooling Assembly Dell™Latitude™120LServiceManual Removing the Processor Thermal-Cooling Assembly 

Replacing the Processor Thermal-Cooling Assembly  1. Lower the processor thermal-cooling assembly into place on top of the processor, aligning the

Back to Contents Page  Display Assembly Dell™Latitude™120LServiceManual Removing the Display Assembly Removing the Display Bezel Removi

 12. Lift the display assembly out of the computer base. Removing the Display Bezel    1. Follow the instructions in Before Working Inside

Removing the Display Panel    1. Follow the instructions in Before Working Inside Your Computer.  2. Remove the display assembly. See Remov

 6. Press in both sides of the top flex-cable connector, and pull the top flex-cable connector away from the display connector.  7. Use the pu

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Back to Contents Page  Antenna Dell™Latitude™120LServiceManual    1. Follow the instructions in Before Working Inside Your Computer.  2

Back to Contents Page  Fan Dell™Latitude™120LServiceManual Removing the Cooling Fan Replacing the Cooling Fan Removing the Cooling Fan

 17. Remove the plate and lift the system board off the fan assembly. Replacing the Cooling Fan  1. Position the system board over the fan ass

Back to Contents Page  Flashing the BIOS Dell™Latitude™120LServiceManual Flashing the BIOS From a CD Flashing the BIOS From the Hard Drive

Back to Contents Page  Hard Drive Dell™Latitude™120LServiceManual Removing the Hard Drive Replacing the Hard Drive Removing the Hard Dr

Replacing the Hard Drive  1. Remove the new drive from its packaging. Save the original packaging for storing or shipping the hard drive.  2. Se

Back to Contents Page  Hinge Cover Dell™Latitude™120LServiceManual Removing the Hinge Cover Replacing the Hinge Cover   Removing the

Back to Contents Page  Keyboard Dell™Latitude™120LServiceManual Removing the Keyboard Replacing the Keyboard Removing the Keyboard  

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Back to Contents Page  Modem Dell™Latitude™120LServiceManual Removing the Modem Replacing the Modem Removing the Modem    1. Follow

1. Connect the modem cable to the modem.  2. Connect the modem to the system board. Align the connector on the bottom of the modem with the modem

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Back to Contents Page  Palm Rest Dell™Latitude™120LServiceManual    1. Follow the instructions in Before Working Inside Your Computer. 

 10. Disconnect the suspend switch connector from the system board.  11. Starting at the back center of the palm rest, use your fingers to separ

Back to Contents Page  Pinout Assignments for I/O Connectors Dell™Latitude™120LServiceManual USB Connector Video Connector USB Connecto

Back to Contents Page  Speakers Dell™Latitude™120LServiceManual Removing the Speakers Replacing the Speakers Removing the Speakers  

 2. Route the speaker cables under or between their routing clips.  3. Replace the three M2 x 3-mm screws.  4. Connect the speaker connector

Back to Contents Page  System Board Dell™Latitude™120LServiceManual Removing the System Board Replacing the System Board Removing the S

Replacing the System Board  1. Insert the video connector on the replacement system board through the side of the base plastics.  2. Replace th

Back to Contents Page Dell™Latitude™120LServiceManual Information in this document is subject to change without notice. ©2006DellInc.Allrig

Back to Contents Page  Memory, Optical Drive, and Mini PCI Card Dell™Latitude™120LServiceManual Memory Optical Drive Mini PCI Card M

 Replacing the Memory Module  1. Ground yourself and install the new memory module: a. Align the notch in the module edge connector with the ta

Back to Contents Page  Base Plastics Dell™Latitude™120LServiceManual    1. Follow the instructions in Before Working Inside Your Computer.

 1. Close your display and turn the computer upside-down.  2. If a device security screw is present, use a Phillips screwdriver to remove the M2.

 3. If a Mini PCI card is not already installed, go to step 1. If you are replacing a Mini PCI card, remove the existing card: a. Disconnect the

Replacing the Mini PCI Card  1. Install the replacement Mini PCI card. a. Align the Mini PCI card with the connector at a 45-degree angle, and pre

Back to Contents Page  Before You Begin Dell™Latitude™120LServiceManual Recommended Tools Turning Off Your Computer Before Working Insi

 3. Disconnect any telephone, network, and USB cables from the computer.  4. Disconnect your computer and all attached devices from their electri

Back to Contents Page  Optical Drive: (1 each)  Fan Module: (4 each) Display Assembly to Computer Base: (4 each)  Modem to System Board: (2 e

Back to Contents Page  Coin-Cell Battery Dell™Latitude™120LServiceManual Removing the Coin-Cell Battery Replacing the Coin-Cell Battery

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