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• When unplugging the power cord, do not pull on the cord itself but pull
on the plug.
• The total ampere rating of the equipment plugged in should not exceed
the ampere rating of the cord if you are using an extension cord. Also,
the total current rating of all equipment plugged into a single wall
outlet should not exceed the fuse rating.
Cleaning and servicing
To clean your computer and keyboard
1 Turn off the computer and unplug the power cord.
2 Use a soft cloth moistened with water and gently wipe the exterior of
the computer and the keyboard. Do not use liquid or aerosol cleaners.
To clean your pointing device
To clean a regular mouse (with rubber ball)
1 Open the circular cover at the base of the mouse.
2 Take out the rubber ball and wipe it with a soft, damp cloth.
3 Put the ball back and replace the cover.
To clean an optical mouse
For users of an optical mouse, refer to the documentation that came with
your mouse for maintenance instructions.
To clean your monitor
Make sure that you keep your screen clean. For cleaning instructions, refer
to the documentation that came with your monitor.
When to contact a service technician
• If you dropped and damaged the computer
• If liquid has been spilled into the computer
• If the computer is not operating normally
• If a computer problem persists even after you have checked and applied
the troubleshooting tips discussed in the "Frequently asked questions"
section on page 19
• If your problem is not listed in the "Frequently asked questions" section
on page 19