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Loss of sound after a recent update on T500 -- Thinkpad General

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Started ‎09-07-2011 by
Modified ‎09-07-2011 by


I keep my T500 current with new drivers, however in a recent update (I do not know which) I lost almost all the volume on my speakers and headphone.





T500 series running Windows 7 64bits 


The problem can  solved with a full power reset of the laptop.

Shut it down and take out  the battery,probably  out overnight.

Plug in  the battery back, switch the laptop on and it and you must not be getting the sound level as usual.