Win7 Play game screen always up and down black edge effect solution
1, Win7 System Click Start button input operation;
2, click to run input regedit;
3, point hkey_local_machine>>>>system>>>>controlset001>>control;
5, right click Configuration, select Search, input scaling;
6, in the right box to find scaling, double-click the value modified to 3 can (the original value of 4);
7, open the game to try.