Fujitsu CELSIUS M4 Series Operating Manual page 58

System upgrades
► Disconnect the cables of the processor fan.
► Release the locking lugs (a) of the fan bracket in the direction of the arrow (1).
► Take the fan out of the casing (2).
1 1
1 1
► Undo the screws (1).
► Remove the heat sink from the casing in the direction of the arrow (2).
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1
a
2
a
1
2
A26361-K994-Z220-1-7619, Edition 2