Hi Miggs
Check your C:\Documents\SH5\data\cfg\main cfg
[VIDEO]
AntialiasingLevel=0 ; 0=none, 1=non-maskable, 2=2x, 4=4x, ...
;Resolution=1024,768,60,22; commented so, at first, it starts with the desktop resolution (on release version)
;FullScreen=Yes
Synchronized=Yes
< needs to show yes
Another option.
Post #303) GPU Driver Roll Back To A Previous Version.
Peter