http://bugs.winehq.org/show_bug.cgi?id=16759
--- Comment #5 from Nicky nheart@gmail.com 2009-01-03 14:04:04 --- (In reply to comment #4)
Attach output of 'xrandr' command. Also try in virtual desktop mode (winecfg -> graphics tab).
See the discussion - Virtual Desktop doesn't help.