![](/images/new-backgrounds/1307975/307975175x1.webp)
4.Lift the modem module (4) straight up to disconnect it from the system board.
5. Remove the modem module.
Reverse the above procedure to install the modem module.
Heat sink
Description | Spare part number |
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Heat sink for use in dv3000 models (includes heat sink retention clip and replacement thermal | |
material) |
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Heat sink for use in dv3500 models (includes heat sink retention clip and replacement thermal | |
material) |
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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 43).
5.Remove the following components:
a.Optical drive (see Optical drive on page 48)
b.Hard drive (see Hard drive on page 51)
c.Keyboard (see Keyboard on page 54)
d.Switch cover (see Switch cover on page 57)
e.Top cover (see Top cover on page 58)
80 Chapter 4 Removal and replacement procedures