hi, i have acer 5920 too and I had the same problem, but solution is very
simple:
click right-button on master of sound - right-top corner near the clock-Open
Volume Control-Edit-Preferences
then in new in appeared window turn on surround, turn it on on Volume control
and push it up)
enjoy!
Closing this bug report as no further information has been provided.
Please feel free to reopen this bug if you can provide the information
asked for. Thanks!.
** Changed in: ubuntu
Status: Incomplete = Invalid
--
No sound Acer 5920
https://bugs.launchpad.net/bugs/245467
You received
Thank you for taking the time to report this bug and helping to make
Ubuntu better. Unfortunately we can't fix it, because your description
didn't include enough information.
Please include the information requested from the Reporting Sound Bugs
section of [WWW]
