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Storing your LifeBook notebook•If storing your notebook for a month or longer, turn your LifeBook notebook off, fully charge the battery, then remove and store all Lithium ion batteries.•Store your notebook and batteries separately. If you store your LifeBook with a battery installed, the battery will discharge, and battery life will be reduced. In addition, a faulty battery might damage your LifeBook.•Store your Fujitsu LifeBook in a cool, dry location. Temperatures should remain between 13ºF (-25ºC) and 140ºF (60ºC).
1Turn off your computer and disconnect the AC
adapter.
2Close the display panel and turn the system upside
down.
3Remove the dust filter by pressing the latch
towards the filter and lifting it out (Figure 28).
4Carefully clean the dust filter and the air-cooling
duct.
5Put back the dust filter by inserting the end without
latch first and pushing in the filter until it latches.
Figure 28. Removing/installing the dust filter
ALWAYS BE SURE THE DUST FILTER IS
INSTALLED WHEN RUNNING YOUR
SYSTEM. NOT USING THE FILTER COULD
CAUSE CONTAMINATION AND POSSIBLE
DAMAGE TO THE SYSTEM.