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

Description Spare part number
Advanced Micro Devices (AMD) Phenom II processor N970 2.2Ghz 2M (for model 1.2 only) 635496-001
Champlain SC processor V160 2.4Ghz 25W (for model 1.2 only) 636634-001
Advanced Micro Devices (AMD) Athlon II discrete processor P360 2.5Ghz 35W (for model 1.2
only)
636635-001
Before removing the processor, 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 battery (see
Battery on page 52).
5. Remove the following components:
a. Hard drive (see
Hard drive on page 53)
b. Optical drive (see
Optical drive on page 56)
c. Keyboard (see
Keyboard on page 62)
d. Top cover (see
Top cover on page 64)
e. Speaker assembly (see
Speaker assembly on page 67)
f. Display assembly (see
Display assembly on page 74)
g. System board (see
System board on page 81)
h. Fan/heat sink assembly (see
Fan/heat sink assembly on page 88)
Remove the processor:
1. Turn the processor locking screw (1) one-half turn counterclockwise until you hear a click.
92 Chapter 4 Removal and replacement procedures ENWW