Before removing the fan/heat sink assembly, 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 52), and then remove the following components:

Optical drive (see Optical drive on page 53)

Hard drive (see Hard drive on page 56)

WLAN module (see WLAN module on page 62)

Keyboard (see Keyboard on page 65)

Top cover (see Top cover on page 68)

System board (see System board on page 87)

Remove the fan/heat sink assembly:

1.Disconnect the fan cable from the system board.

2.Turn the system board upside down, with the front toward you.

NOTE: Steps 3 and 4 apply to computer models equipped with an AMD processor. See steps 5 and 6 for fan/heat sink assembly removal information for computer models equipped with an Intel processor.

3.Following the 1 through 9 sequence indicated on the heat sink, loosen the nine captive screws (1) that secure the fan/heat sink assembly to the system board.

NOTE: Due to the adhesive quality of the thermal material located between the heat sink and system board components, it may be necessary to move the fan/heat sink assembly from side to side to detach it.

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Chapter 4 Removal and replacement procedures

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HP DV7 manual