Heat sink
NOTE: The heat sink spare part kit includes replacement thermal material.
Description | Spare part number |
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Heat sink | |
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Before removing the 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 40), and then remove the following components:
a.Hard drive cover (see Hard drive cover on page 45)
b.Hard drive (see Hard drive/SSD drive on page 46)
c.Service cover (see Service cover on page 51)
d.WLAN module (see WLAN module on page 56)
e.WWAN module (see WWAN module on page 54)
f.Fan (see Fan on page 66)
g.Keyboard (see Keyboard on page 58)
h.Base enclosure (see Base enclosure on page 61)
i.System board (see System board on page 67)
Remove the heat sink:
1.Following the 1, 2, 3, 4 sequence stamped into the heat sink, loosen the four captive Philllips screws (1) that secure the heat sink to the system board.
70 Chapter 4 Removal and replacement procedures