Acer Aspire 7720-6569 Panduan Pengguna - Halaman 21
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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 5
•
If your problem is not listed in the "Frequently asked questions" section
on page 5
•
If you want to replace or upgrade any of your computer's internal
components
Asking for technical assistance
For technical assistance, contact your local dealer or distributor. You may
also access the Web site (http://global.acer.com/support/index.htm) for
information on how and where to contact the service centers available in
your area.