AMD Multi-Plane Overlay (MPO) Black Flicker

What is this error?

Black screen flashes or flickering during gaming, video playback, or when switching between applications. Caused by AMD's Multi-Plane Overlay feature.

Common causes

  • MPO driver implementation bug
  • MPO conflict with overlay software
  • hardware acceleration in browsers triggering MPO
  • multiple monitors with different refresh rates
  • HDR mode combined with MPO

How to fix it

  1. Disable MPO via registry edit
  2. disable hardware acceleration in browsers
  3. update AMD driver

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Detailed analysis

Random black flashes lasting half a second while gaming or watching YouTube? On AMD GPUs, Multi-Plane Overlay (MPO) is almost always the culprit. It is especially common in dual-monitor setups where you game on one screen and have Discord or a browser on the other.

Games commonly affected: Valorant, League of Legends, Fortnite, and basically any game running alongside a browser or video player.

How to fix it:

  1. Disable MPO via registry: open Registry Editor, navigate to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\Dwm, create a DWORD value named 'OverlayTestMode' and set it to 5
  2. Restart your PC after making the registry change
  3. Disable hardware acceleration in Chrome (Settings > System), Discord (Settings > Advanced), and any other apps running alongside your game
  4. If you run dual monitors at different refresh rates (e.g., 144Hz + 60Hz), this makes MPO issues much worse. The registry fix above should resolve it
  5. If using HDR, try disabling it temporarily to confirm MPO is the issue
  6. Update to the latest AMD driver — AMD has been slowly improving MPO stability
  7. This is a known AMD driver issue that has persisted for years. The registry fix is the most reliable solution

When to seek help

If this error keeps happening after trying the fixes above, it may point to a deeper hardware or system issue. Consider professional help if:

  • The crash occurs across multiple games or applications
  • You see the same error after a clean Windows install
  • Your PC is less than a year old (could be a warranty issue)
  • You smell burning or hear unusual sounds from your PC

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