Win7 uses the Print Screen button to display a black screen full screen screenshot how to do

  

1. Press Win+R to open the running window, enter regedit, click OK;

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

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

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