Download the latest video drivers from either the manufacturer of the video card or directly from the manufacturer of the GPU (ATI, Nvidia, Intel, etc.).
Nvidia explicitly lists the 6150 LE as a supported product under Vista 32-bit with the 182.50 WHQL drivers. Why do you say they are not fully supported?
They are supported, Having no DX10 does NOT mean not being supported. Hell a X1900XT runs fine in vista. I would try to use an slightly older driver. Some times Nvidia and ATI mess up.
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