Dell 7420 Laptop User Manual


 
Replacing the Display Hinges | 87
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Replacing the Display Hinges
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
1 Align the screw holes on the display hinges with the screw holes on the display
cover. Ensure that the antenna cables and display cable are routed through the slot
on the display hinges.
2 Replace the screws that secure the display hinges to the display cover.
3 Turn the display assembly over.
4 Replaces the screws that secure the display hinges to the display cover.
Postrequisites
1 Replace the display bezel. See "Replacing the Display Bezel" on page 79.
2 Replace the display assembly. See "Replacing the Display Assembly" on page 75.
3 Replace the palm rest. See "Replacing the Palm Rest" on page 49.
4 Replace the keyboard. See "Replacing the Keyboard" on page 25.
5 Replace the base cover. See "Replacing the Base Cover" on page 29.
6 Replace the battery. See "Replacing the Battery" on page 19.
7 Replace the switch. See "Replacing the Switch" on page 15.
8 Follow the instructions in "After Working Inside Your Computer" on page 11.
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