HP ProBook 4435s Maintenance And Service Manual page 68

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 bottom door (see
6. Remove the fan (see
7. Remove the heat sink (see
Remove the processor:
1. Position the computer upside-down 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.
3. Lift the processor (2) straight up and remove it.
NOTE:
on the processor slot when you install the processor.
Reverse this procedure to install the processor.
60 Chapter 4 Removal and replacement procedures
Battery on page
Bottom door on page
Fan on page
Heat sink on page
The gold triangle (3) on the processor must be aligned with the triangle (4) embossed
40).
41).
56).
57).