Compaq CQ40 Laptop User Manual


 
h. System board (see System board on page 79)
i. Fan/heat sink assembly (see
Fan/heat sink assembly on page 82)
Remove the processor:
1. Turn the processor locking screw (1) one-half turn counterclockwise until you hear a click.
2. Lift the processor (2) straight up and remove it.
NOTE: The gold triangle (3) on the processor must be aligned with the triangle icon (4) embossed
on the processor socket when you install the processor.
Reverse this procedure to install the processor.
System fan
Description Spare part number
System fan 486844-001
Before removing the system fan, 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 41).
5. Remove the following components:
a. Hard drive (see
Hard drive on page 44)
b. Optical drive (see
Optical drive on page 42)
c. Keyboard (see
Keyboard on page 54)
86 Chapter 4 Removal and replacement procedures