no speakers or headphones are plugged in

  ttmiller01 15:01 09 Nov 14
Locked

when the comp rebooted after a forced shut down, the sound/speakers stopped working. the speaker icon has a red x, with the msg 'No speakers or headphones are plugged in'. The previous error msg was no audio device is installed. i went to device manager uninstalled the driver and rebooted. same error message. this happened before, but the problem was fixed after plugging in headphones and removing the. the comp is a toshiba portege r835, windows 7 os. I have no idea what to do. Thanks in advance for any suggestions!!!!

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