Win7 uses the Print Screen button to display a black screen when full screen screenshots

  

The method is as follows:

1, press the Win+R key combination to open the run window, enter regedit, click OK;

2. In the Registry Editor window, expand to HKEY_LOCAL_MACHINESYSTEMCurrentControlSetControlGraphicsDriversDCI, double-click on the right side to open “Timeout”;

3. Change the data value to “0”, and click OK.

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