Acer L series Personal Computer User Manual


 
Troubleshooting10
English
Q: No sound comes out of the speakers.
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 the mute function.
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.
Q: System cannot read hard disk, CD or DVD information.
A: Check the following:
Make sure you are using the correct type of media.
Make sure the CD or DVD is inserted correctly (rightside up) into
the proper drive.
Check to be sure the CD or DVD is clean and unscratched.
Check your drive by using a good (undamaged) optical disk. If your
CD or DVD drive cannot read the information on the good CD or
DVD, there may be a problem with the drive. Contact your dealer
or technical support center for assistance.
Q: System cannot write to hard disk or optical disk.
A: Check the following:
Make sure the media is not write-protected.
Make sure you are using the correct type of optical disk.