Graeme Gill wrote: > So it still has a bug. Looking at the source code, the problem is in > MSWin's XF86VidModeSetGamma() function. xcalib should avoid this > function and set the lookup values itself. I take that back - xcalib still hasn't fixed it's multiple 8->16 bit bugs. Bottom line is that it is not setting accurate VideoLut values if the entry depth is > 8 bits. Graeme Gill.