HP dv7-6c20us Technical Information download pdf (Page 115)

Heat sink

NOTE: All heat sink spare kits include replacement thermal material.

Description Spare part number

For use only with computer models equipped with AMD processors and graphics subsystems with

discrete memory

488879-001

For use only with computer models equipped with AMD processors and graphics subsystems with

UMA memory

490503-001

For use only with computer models equipped with Intel processors and graphics subsystems with

512-MB of discrete memory

480472-001 and

481144-001

For use only with computer models equipped with Intel processors and graphics subsystems with

256-MB of discrete memory

480473-001

Before removing the 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 54).

5. Remove the following components:

a. Hard drive (see

Hard drive on page 59)

b. Optical drive (see

Optical drive on page 57)

c. Switch cover (see

Switch cover on page 69)

d. Keyboard (see

Keyboard on page 71)

e. Speaker assembly (see

Speaker assembly on page 75)

f. Display assembly (see

Display assembly on page 76)

g. Top cover (see

Top cover on page 85)

h. System board (see

System board on page 94)

Remove the heat assembly:

NOTE: Steps 1 through 3 apply only to computer models equipped with graphics subsystems with

discrete memory. See steps 4 through 6 for heat sink removal instructions for computer models equipped

with graphics subsystems with UMA memory.

1. Turn the system board upside down, with the expansion port 3 and external monitor port toward

you.

2. Loosen the seven Phillips PM2.0×10.0 captive screws (1) that secure the heat sink assembly to

the system board.

Component replacement procedures 105

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