ISSUE
When clicking back on to the steam overlay to exit steam overlay, PC black screens. Display stays black while audio continues. Must manually reboot PC to recover.

Appears to have resolved by disabling GPU accelerations under interface settings.

OS
Windows 11 Pro
2080Ti

STEPS
While in any game, Shift+Tab to enter steam overlay
Do not release Shift
Click in steam overlay

RESULTS
All screens black out, audio persists
Manual Reboot required

EXPECTED
Refocus steam overlay