Removing The Ventilation Duct (Celsius M) - Fujitsu CELSIUS M4 Series Operating Manual

System upgrades

Removing the ventilation duct (CELSIUS M)

Before you can upgrade the main memory or the processor, or before you can replace the processor
or the lithium battery, you must remove the ventilation duct and the rear fan located underneath it
(see "Removing the rear fan ").
The ventilation duct is connected to the fan.
i
► Open the casing (see "Opening the casing").
► If there are any expansion cards in slots 6 and 7, remove them (see "Installing and removing a
board").
► Disconnect the memory cooling fan cable.
Refer to the mainboard manual for the location of the fan cable.
i
► Release the ventilation duct at the lever marked (a).
► Slide the ventilation duct in the direction of the arrow (1).
► Remove the ventilation duct from the casing in the direction of the arrow (2).
When removing the ventilation duct, be careful not to damage the processor cooler on the
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mainboard or the cable of the memory cooler.
► Remove the rear fan (see "Removing the rear fan").
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a
2
1
A26361-K994-Z220-1-7619, Edition 2