Compaq Presario CQ42-400 Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 75
Top cover, Optical drive see
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Top cover Description Spare part number Top cover (includes Touchpad and bracket, button board, and cable), matte black (for models 1.0, 600181-001 1.1 and 1.3 only) Top cover, biscotti 600182-001 Top cover, silver (for models 1.1, 1.2 and 1.3 only) 606161-001 Top cover, white (for model 1.1 only) 606162-001 Top cover, charcoal (for models 1.2 and 1.3 only) 622581-001 Top cover, imperial blue (for models 1.2 and 1.3 only) 622582-001 Top cover, velvet red (for models 1.2 and 1.3 only) 624971-001 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 63). 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. ENWW Component replacement procedures 65