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3.
Remove the system board (2) by sliding it up and to the right at an angle.
Reverse this procedure to install the system board.
Fan-Heat sink
Description
For use only on computer models equipped with a 25-W AMD processor
For use only on computer models equipped with a 17-W AMD processor
For use only on computer models equipped with an Intel processor and a graphics subsystem with
discrete memory
For use only on computer models equipped with an Intel processor and a graphics subsystem with
UMA memory
NOTE:
To properly ventilate the computer, allow at least 7.6 cm (3 in) of clearance on the left side
of the computer. The computer uses an electric fan for ventilation. The fan is controlled by a
temperature sensor and is designed to turn on automatically when high temperature conditions exist.
These conditions are affected by high external temperatures, system power consumption, power
management/battery conservation configurations, battery fast charging, and software requirements.
Exhaust air is displaced through the ventilation grill located on the left side of the computer.
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Chapter 4 Removal and replacement procedures
Spare part number
691657-001
691656-001
686579-001
686578-001
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