HP FN038UAABA, FN037UAABA manual a. Battery see Battery on page b. Keyboard see Keyboard on page

Description	Spare part number
Graphics card heat sink for use in computer models with nVidia Quadro FX 2700M graphics cards	494011-001
Graphics card heat sink for use in computer models with ATI graphics cards	494211-001
Graphics card heat sink for use in computer models with nVidia Quadro FX 3700M graphics cards	518096-001

Before removing the graphics card 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 following components:

a.Battery (see Battery on page 41).

b.Keyboard (see Keyboard on page 55)

c.Switch cover (see Switch cover on page 59)

d.Fan (see Fan on page 61)

Remove the graphics card heat sink:

1.Loosen the two black captive PM3.0×10.0 screws and four silver captive PM3.0×10.0 screws in the order shown in the following illustration. You may have to move the inverter cable to access the screw identified by callout (2).

NOTE: The heat sink may look different from the illustrations in this section, depending upon the model.

62 Chapter 4 Removal and replacement procedures