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Increase Headless Monitor Resolution

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Regedit Computer\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\GraphicsDrivers\Configuration

Look for a key containing NOEDID, SIM, or MSBDD.

Change:

  • PrimSurfSize.cx for X
  • PrimSurfSize.cy for Y

Virtual Display Driver on GitHub for when the above doesn’t work

https://github.com/VirtualDrivers/Virtual-Display-Driver

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