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6.
Remove the system board (3) by sliding it up and to the right at an angle.
Reverse this procedure to install the system board.
Heat sink
NOTE:
The heat sink spare part kit includes replacement thermal material.
Description
For use only on computer models equipped with a graphics subsystem with discrete memory
For use only on computer models equipped with a graphics subsystem with UMA memory
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
a.
Service cover (see
b.
Hard drive (see
c.
Optical drive (see
d.
WLAN module (see
e.
WWAN module (see
Battery on page
71), and then remove the following components:
Service cover on page
Hard drive on page
80)
Hard drive on page
WLAN module on page
WWAN module on page
74)
80)
86)
84)
Component replacement procedures
Spare part number
686021-001
693371-001
115
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