Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC - Maintenance and Service Guide

Top cover
Description Spare part number
Top cover (includes Touchpad and bracket, button board, and cable), matte black 600181-001
Top cover, bicotti 600182-001
Top cover, silver 606161-001
Top cover, white (for model 1.0 only) 606162-001
Top cover, charcoal (for models 1.1 and 1.2 only) 622581-001
Before removing the switch cover, follow these steps:
1. Shut down 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 all external devices connected to the computer.
3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet
and then unplugging the AC adapter from the computer.
4. Remove the following components:
a. Battery (see
Battery on page 52).
b. Optical drive (see
Optical drive on page 56).
c. Keyboard (see
Keyboard on page 62).
Remove the switch cover:
1. Turn the computer upside down with the front toward you.
2. Remove the four screw covers (1) at the front edge of the computer.
64 Chapter 4 Removal and replacement procedures ENWW