HP 701977-151 ユーザーズマニュアル

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3.
Rotate the security lock away from the base enclosure and remove the security lock from the
base enclosure (2).
Reverse this procedure to install the security lock.
Processor heat sink
Description
Spare part number
For use only with computer models equipped with quad-core processors
653629-001
For use only with computer models equipped with dual-core processors
652542-001
Before removing the processor heat sink, 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 service access cover (see 
6.
Remove the optical drive (see 
) or upgrade bay hard drive (see 
).
7.
Remove the keyboard (see 
8.
Remove the top cover (see 
).
9.
Remove the fan/graphics board heat sink assembly (see 
110 Chapter 4   Removal and replacement procedures