HP Computer Spezifikationen PDF herunterladen (Seite 101)

PCH heat sink

NOTE: The post controller hub (PCH) heat sink spare part kit includes replacement thermal

material. Replacement thermal material is also available in the Thermal Material Kit, spare part

number 719864-001.

Description Spare part number

PCH heat sink 719863-001

Before removing the PCH heat sink, follow these steps:

1. Turn off 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 the power from the computer by unplugging the power cord from the computer.

3. Disconnect all external devices from the computer.

4. Remove the battery (see

Battery on page 47), and then remove the following components:

a. Optical drive (see

Optical drive on page 48)

b. Hard drive (see

Hard drive on page 49)

c. WLAN module (see

WLAN module on page 52)

d. Keyboard (see

Keyboard on page 56)

e. Top cover (see

Top cover on page 60)

f. System board (see

System board on page 73)

Remove the PCH heat sink:

1. Loosen the two captive Phillips screws (1) that secure the PCH heat sink to the system board.

Component replacement procedures 91

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HP Computer Spezifikationen Seite 101