System Fan - Compaq Presario CQ45 Maintenance And Service Manual

System fan

Description
System fan for use in computer models with Intel or AMD processors and UMA graphics subsystems 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
5. Remove the following components:
a. Hard drive (see
b. Optical drive (see
c. Keyboard (see
d. Switch cover (see
e. Speaker assembly (see
f. Display assembly (see
g. Top cover (see
h. System board (see
Remove the system fan:
1. Position the base enclosure with the front toward you.
2. Remove the two black Phillips PM2.5×6.0 screws (1) that secure the system fan to the
computer.
90 Chapter 4 Removal and replacement procedures
Battery on page 43).
Hard drive on page 46)
Optical drive on page
Keyboard on page 56)
Switch cover on page
Speaker assembly on page
Display assembly on page
Top cover on page 69)
System board on page
44)
58)
60)
62)
82)
Spare part number