This issue mostly occurs with the classic games that may not support modern display resolutions. This results in black bars at the side of the games (windowed mode). If you are also troubled by this issue, here are a couple of troubleshooting tips to help you fix GOG games won’t open in full-screen issue Windows.
What can I do if GOG games won’t open in full-screen?
1. Turn off GPU frame rate software
Fix: Frame rate problems in Windows 10
2. Check your graphic card settings
Turn on AMD GPU scaling Turn on NVIDIA GPU scaling
3. Run the game in compatibility mode
By following the steps in this article, you can fix GOG games won’t open in full-screen issue in Windows computers. Do let us know which fix helped you in the comments. RELATED STORIES YOU MAY LIKE:
7 best game recording software for low-end PCs Top 5+ game booster software for Windows 10 How to download and store GOG games on backup drives
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