When a computer function works in another app, user account or port, keep the repair inside the failing context. For Windows graphics driver, first test one display directly, inspect Device Manager and compare basic versus vendor driver behavior.
What this covers
- Windows graphics driver with this exact failure state
- Diagnosis across display/cable versus GPU, driver version, app and power state
What it does not cover
Try in this order
0 of 4 completedCapture the exact failure state
ReversibleName the failing app, user account, port or peripheral and one that still works. Expected behavior: render the desktop and applications at stable supported resolutions and acceleration.
Isolate the component boundary
ReversibleTest one display directly, inspect Device Manager and compare basic versus vendor driver behavior. Swap only the app, account, cable, port or user profile while keeping the computer unchanged. Boundary to separate: display/cable versus GPU, driver version, app and power state.
Correct only the proven cause
ReversibleInstall the OEM/vendor-supported driver or roll back the one proven to fail. Repair the isolated app, user profile, driver binding or physical path.
Verify and stop safely
ReversibleRetest both contexts after sign-in and one cold restart. Stop for artifacts before Windows, overheating, burning odor or repeated black screens.
Evidence ledger
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