Acer Aspire RC550 User Manual page 18

Acer aspire rc550: user guide
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12
Make sure that the printer is connected to a power outlet and that it is
turned on.
Make sure that the printer cable is connected securely to the system's
parallel port and the corresponding port on the printer.
For additional information concerning the printer, refer to the printer's
documentation.
Q: No sound comes out from the computer.
A: Check the following:
The volume may be muted. Look for the Volume icon on the taskbar. If
it is crossed-out, click on the icon and deselect the Mute option. You can
also press the volume control/mute knob on your USB keyboard to
toggle from mute to sound on.
If headphones, earphones, or external speakers are connected to the
line-out jack of your computer, the internal or built-in speakers are
automatically turned off.

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