HP QX882US manual Processor heat sink

Processor heat sink

All heat sink spare part kits include replacement thermal material.

Description	Spare part number
NOTE: The processor heat sink is included with the video card fan/heat sink assembly.
Video card fan/heat sink assembly for use in computers with AMD FirePro M5950 and NVIDIA	652675-001
Quadro 1000M graphics cards
Video card fan/heat sink assembly for use in computers with NVIDIA Quadro 2000M graphics	652677-001
cards

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 Battery on page 48).

5.Remove the service access cover (see Service access cover on page 50).

6.Remove the following components:

a.Hard drive (see Hard drive on page 60)

b.Optical drive (see Optical drive on page 65)

c.Keyboard (see Keyboard on page 67)

d.Top cover (see Top cover on page 71)

e.Video card fan/heat sink assembly (see Video card fan/heat sink assembly on page 84) Remove the processor heat sink:

1.Position the computer right-side up, with the front toward you.

2.Loosen the four captive screws (1) that secure the processor heat sink to the base enclosure.

86 Chapter 4 Removal and replacement procedures