Acer Altos G330 MK2 Series User Manual page 58

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4 Remove the HSF from the chassis.
The figure below shows the HSF type available for the Altos G330
Mk2 system.
(1) Disconnect the processor HSF cable from its mainboard
connector.
(2) Loosen the four HSF mounting pins.
(3) Twist the HSF sightly to break the thermal grease bond loose.
Once the thermal grease bond is broken, lift the HSF away
from the mainboard.
(4) Lay down the HSF in an upright position—with the thermal
patch facing upward. Do not let the thermal patch touch the
work surface.
5 Use an alcohol pad to wipe off the thermal grease from both the
HSF assembly and the processor socket retention plate.
3 System upgrade