HP ProBook 4320s Maintenance And Service Manual page 96

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
5. Remove the following components:
a. Switch cover (see
b. Keyboard (see
c. Optical drive (see
d. Speakers (see
e. Palm rest (see
f. Top cover (see
Remove the processor:
1. Position the computer right-side up with the front toward you.
2. Use a flat-bladed screwdriver to turn the processor locking screw (1) one-half turn
counterclockwise until you hear a click.
88 Chapter 4 Removal and replacement procedures
Battery on page 57).
Switch cover on page
Keyboard on page 61)
Optical drive on page
Speakers on page 68)
Palm rest on page 72)
Top cover on page 99)
59)
65)