Replacing the Palm Rest Assembly

1. Place the palm rest assembly on the bottom case assembly.

2. Reinstall the three silver M2 x 6-mm screws in the keyboard-assembly area that secure the middle of the palm rest assembly to the bottom- case assembly.

3. Reinstall the four black M2 x 4-mm screws that secure the top of the palm rest assembly to the bottom-case assembly.

4. Connect the touch pad flex cable to the ZIF connector on the system board.

5. Connect the status lights flex cable to the ZIF connector on the system board.

6. Turn the computer upside down.

7. Reinstall the six M2.6 x 1.6-mm screws in the battery bay that secure the bottom of the palm rest assembly to the bottom-case assembly.

8. Turn the computer right-side up.

9. Reinstall the keyboard assembly.

10. Reinstall the display assembly.

11. Reinstall the keyboard bezel.

Touch Pad Assembly

touch f assemt touch f assemt

touch pad

NOTICE: Disconnect the computer and any attached devices from electrical outlets, and remove any installed batteries.

NOTICE: To avoid ESD, ground yourself by using a wrist grounding strap or by touching an unpainted metal surface on the computer.

NOTICE: Read "Preparing to Work Inside Your Computer" before performing the following procedure.

1. Remove the keyboard bezel.

2. Remove the display assembly.

3. Remove the keyboard assembly.

4. Remove the palm rest assembly.

5. Remove the three M2 x 3.5-mm screws that secure the touch pad assembly to the palm rest assembly.

6. Slide the touch pad assembly out from under the two hold-down tabs.

7. Remove the touch pad assembly from the palm rest assembly.

8. Disconnect the flex cable from the ZIF connector on the back of the touch pad.

The flex cable remains attached to the touch pad holder assembly.

Bottom Case Assembly

The bottom case assembly consists of the following field-replaceable components:

Reserve battery RTC battery Main battery Modem Fan

Speaker

System board assembly Main battery release latch

NOTICE: The reserve battery provides power to the computer's nonvolatile random-access memory (NVRAM) when the computer is turned off. Removing the battery causes the computer to lose the parameters set by the user in NVRAM. If possible, make a copy of this information before you remove the reserve battery.

NOTICE: Disconnect the computer and any attached devices from electrical outlets, and remove any installed batteries.

NOTICE: To avoid ESD, ground yourself by using a wrist grounding strap or by touching an unpainted metal surface on the computer.

NOTICE: Read "Preparing to Work Inside Your Computer" before performing the following procedure.

1. Remove the keyboard bezel.

2. Remove the keyboard assembly.

3. Peel the reserve battery away from the foam pad on the system board.

The reserve battery is located between the memory module and the PC Card bay, and it is attached to the system board with an adhesive foam pad.

4. Disconnect the reserve battery cable from the connector on the system board.

The Ultimate Computer Repair Guide

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