Modify the Video Refresh Frequency from the Registry

Sometimes I need to change the Video Refresh Frequency but I only have a Remote Desktop connection to the server.

So I searched a lot into registry and found the correct key:

HKEY_LOCAL_MACHINE\ SYSTEM\ CurrentControlSet\ Hardware Profiles\ Current\ System\ CurrentControlSet\ Control\ VIDEO\ {classid}\ 0000\ DefaultSettings.VRefresh

The value is stored as a REG_DWORD in hexidecimal form, so if you want to use a 60Hz Frequency, you must set 3C as value.

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About Vittorio Pavesi

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