You can't adjust it because your sound drivers don't support it, try an
updated driver from IBM (Lenovo).
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How to ask a question
http://support.microsoft.com/kb/555375
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"Bucky" <(E-Mail Removed)> wrote in message
news:d8598b60-eb0d-4636-ae25-(E-Mail Removed)...
> I'm not able to adjust bass/treble with volume control. I go into
> volume control > advanced, and the bass/treble controls are grayed
> out! It's probably due to the sound driver, which is SoundMAX
> Integrated Digital HD Audio, which came with the Thinkpad T61.
>
> Is there some way I can adjust the bass/treble? Can I use a substitute
> sound driver or something? I can adjust the EQ if playing through WMP,
> Winamp, etc, but I can't adjust when playing from a browser plugin.