Replacing the Palm Rest | 71Replacing the Palm RestWARNING: Before working inside your computer, read the safety informationthat shipped with your computer and follow the steps in "Before You Begin" onpage 9. After working inside your computer, follow the instructions in"After Working Inside Your Computer" on page 11. For additional safety bestpractices information, see the Regulatory Compliance Homepage atdell.com/regulatory_compliance.Procedure1 Slide the tabs on the palm rest under the display hinges and align the screw holeson the palm rest with the screw holes on the display hinges.2 Replace the screws that secure the palm rest to the display.3 Close the palm rest.Postrequisites1 Replace the keyboard. See “Replacing the Keyboard” on page 67.2 Replace the air vent. See “Replacing the Air Vent” on page 59.3 Replace the system board. See “Replacing the System Board” on page 57.4 Replace the processor heat-sink. See "Replacing the Processor Heat-Sink" onpage 48.5 Replace the fan. See "Replacing the Fan" on page 46.6 Replace the Mini-Card. See “Replacing the Wireless Mini-Card” on page 33.7 Replace the I/O board. See “Replacing the I/O Board” on page 51.8 Replace the mSATA/WWAN card. See “Replacing the mSATA/WWAN Card” onpage 35.9 Follow the instructions from step 4 to step 8 in "Replacing the Hard Drive" onpage 39.10 Replace the battery. See "Replacing the Battery" on page 26.11 Replace the speakers. See "Replacing the Speakers" on page 24.12 Follow the instructions from step 2 to step 6 in "Replacing the Base Cover" onpage 15.