Mediawmfdxvad3d11enabled

Double-click the result (or click the toggle button) to switch it between and false .

: Disables D3D11 hardware acceleration. This often fixes visual bugs (like green bars) but may increase CPU usage and cause higher battery drain during video playback. How to Access It mediawmfdxvad3d11enabled

If you see green bars, flickering, or "jittering" in videos (especially on YouTube or Twitch), setting this flag to is a common troubleshooting step recommended by the Firefox Support Forum Performance Fixes: Double-click the result (or click the toggle button)