Ports and operating elements
Removing and installing the air filter
Never run the notebook w ithout a n air filter. It could otherw ise be
damaged due to overheating.
Clean the existing air filter regularly. Dirty air filters will lead to an increased
temperature inside the device. Ope rating tem peratu res which are too high
can lead to loss of data and un reliable operation.
Air filter removal
► Switch off your notebook and disconnect the power plug from the mains.
► Close the LCD screen so that it locks into place.
► Disconnect all cables connected to the notebook.
► Turn your notebook over and place it on a stable, flat and clean surface. If necessary, lay
a non-slip cloth on this surface to prevent the noteb ook from being scratched.
1
2
1
2
► Press and hold the
lockingtabontheairfilter (1).
► Remove the air filter from its slot (2).
► Clean the air filte
r with a dry brush.
18 A26391-K273-Z220-1-7619, edition 1
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