Fan - HP 540 - Notebook PC Maintenance And Service Manual

Fan

Description
Fan
Before removing the 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 (see
f. Display lid switch module (see
g. Display assembly (see
h. Top cover (see
i. System board (see
Remove the fan:
1. Remove the two Phillips PM2.5×7.0 screws (1) that secure the fan to the base enclosure.
Battery on page
Hard drive on page 38)
Optical drive on page
Switch cover and keyboard on page
Switch cover and keyboard on page
Speaker on page 51)
Display lid switch module on page
Display assembly on page
Top cover on page 58)
System board on page
37).
45)
47)
47)
53)
66)
Component replacement procedures
Spare part number
431312-001
52)
69