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04 Sep 2012  
wavemaker666

win 7 ultimate 64 bit
 
 
acer 4520 sound dissappear after win 7 ultimate 64 update

Hello,i just installed win 7 ultimate 64 bit and my notebook works well but after windows auto update,my acer 4520 cant detect sound.i tried to reinstall chipset and audio drivers from acer website but still doesn't work.Pleaseeeee HELP....

-acer-4520.png

As you can see there is no sound device.PLS HELP.


My System SpecsSystem Spec