I loaded a 64bit Vista OS on a machine that was shipped with a 32bit OS. Now the system will not recognize the installed ATI graphics card.
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It's normal
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You need a 64-bit ATI driver.
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You'll have to download the correct ATI video driver software from Sony's support website...
Video Driver Problem
Discussion in 'VAIO / Sony' started by sar1, Oct 23, 2009.