This typically occurs before the intro videos or main menu appear.
gfx_pixResHeight = 1080; (Set to your monitor's native height). the file and relaunch the game. 3. Verify Game Files serious sam 3 cannot set display mode
Fortunately, this is almost always a configuration file issue. Here is how to fix it. This typically occurs before the intro videos or
A corrupted DirectX installation can also cause display mode failures. Although Steam installs these automatically, they can get damaged by OS updates. Sam! (try in order)
Now stop reading and go hunt some Headless Kamikazes. Good luck, Sam!
(try in order)