Windows – Refresh rate stuck at 59 Hz in Windows 7

nvidia-graphics-cardwindows 7

I'm getting a constant flickering on my monitor which I believe is due to the refresh rate getting reset to 59 Hz. When I go into monitor settings and change the refresh rate to 60 Hz, then close the dialog and reopen, it's reset back to 59 Hz.

My environment:

  • Windows 7 Enterprise (all updated to the max)
  • nVidia GeForce 8600M GT video adapter
  • Dell 2208WFP ultrasharp monitor

Best Answer

This is by design for graphics cards that support TVs. The 59 Hz is actually 59.94 Hz. Please see this Microsoft link on the subject - http://support.microsoft.com/kb/2006076.

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