
CHAPTER 5: Maintaining Your Computer
Cleaning the exterior
Warning
When you shut down your computer, the power turns off, but some electrical current still flows through it. To avoid possible injury from electrical shock, unplug the power cord, modem cable, and network cable from the wall outlets.
•Always turn off your computer and other peripheral devices before cleaning any components.
•Use a damp,
•Your computer is cooled by air circulated through the vents on the case, so keep the vents free of dust. With your computer turned off and unplugged, brush the dust away from the vents with a damp cloth. Be careful not to drip any water into the vents.
Cleaning the keyboard
You should occasionally clean the keyboard to remove dust and lint trapped under the keys.
To clean the keyboard:
1Use an aerosol can of air with a narrow,
2If you spill liquid on the keyboard, turn off your computer and turn the keyboard upside down. Let the liquid drain, then let the keyboard dry before trying to use it again. If the keyboard does not work after it dries, you may need to replace it.
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