Dell XPS M140 MXC051 XPS M140 Service Manual - Page 52

Replacing the Palm Rest

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1 palmrest 2 hinge brackets Replacing the Palm Rest 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 Preparing to Work Inside the Computer 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 four M2.5 x 5-mm screws in the top of the palm rest. 7. Turn the computer over and replace the eleven M2.5 x 8-mm screws in the bottom of the computer to secure the palm rest. 8. Replace the microprocessor thermal-cooling assembly (see Replacing the Microprocessor Thermal- Cooling Assembly). 9. Replace the modem/Mini PCI/wireless cover and tighten the screws.

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1
palmrest
2
hinge brackets
Replacing the Palm Rest
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
Preparing to Work Inside the Computer
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 four M2.5 x 5-mm screws in the top of the palm rest.
7. Turn the computer over and replace the eleven M2.5 x 8-mm screws in the bottom of the computer to secure the
palm rest.
8. Replace the microprocessor thermal-cooling assembly (see
Replacing the Microprocessor Thermal- Cooling
Assembly
).
9. Replace the modem/Mini PCI/wireless cover and tighten the screws.