5
Removal and replacement procedures for
authorized service provider parts
CAUTION:
Components described in this chapter should be accessed only by an authorized service provider.
Users who access these parts can damage the computer or void the warranty.
Component replacement procedures
There are as many as 70 screws that must be removed, replaced, and/or loosened when servicing the parts
described in this chapter. Make special note of each screw size and location during removal and replacement.
Bottom cover
Description
Spare part number
Bottom cover
922942-001
Before removing the bottom cover, follow these steps:
1.
Turn off the computer. If you are unsure whether the computer is off or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2.
Disconnect the power from the computer by unplugging the power cord from the computer.
3.
Disconnect all external devices from the computer.
Remove the bottom cover:
1.
Loosen the 4 captive Torx screws (1) that secure the rear vent panel to the computer.
Component replacement procedures
29