Dell 7420, 5420 owner manual Replacing the Palm Rest

18 Replacing the Palm Rest

WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in "Before You Begin" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance.

Procedure

1Slide the display cable through the slot on the palm rest.

2Align the palm rest with the computer base and gently snap the palm rest into place.

3Slide the hot-key board cable, power-button board cable, and touchpad cable into the system-board connectors and press down on the connector latches to secure the cables.

4Route the display cable through the routing guides on the palm rest.

5Connect the display cable to the system-board connector.

6Replace the screws that secure the palm rest to the computer base.

7Close the display and turn the computer over.

8Replace the screws that secure the palm rest to the computer base.

Postrequisites

1Replace the keyboard. See "Replacing the Keyboard" on page 25.

2Replace the base cover. See "Replacing the Base Cover" on page 29.

3Replace the battery. See "Replacing the Battery" on page 19.

4Follow the instructions in "After Working Inside Your Computer" on page 11.

Replacing the Palm Rest 49