Alex K. wrote: > After applying th following patch (which was provided by Graeme Gill): > <http://www.argyllcms.com/disptools_win64.zip> > (Installation: just copy the included exe-files in the Argyllcms-bin-Folder > and overwrite the old files) > > I now get: > > Gamut coverage: 99,6 % sRGB, 93,4% Adobe RGB > Gamut Volume: 152,3 % sRGB, 105% Adobe RGB > > -> The Patch for Win 7 64 Bit is working! > I now get a profile with wide gamut as expected! Hi, that's good to hear, but rather unexpected. The puzzles are: * where MSWin is getting the display information from to emulate sRGB ? * under what circumstances is it color management being turned on by default in DC's ? * why can't I see such an effect on my test system ? This <http://msdn.microsoft.com/en-us/library/windows/desktop/dd372199%28v=vs.85%29.aspx> hints that it may be possible, but it's not clear what causes and output profile to be assumed. Graeme Gill.