What should I do if the Win7 system plays video movies with jagged, mosaic, and blur?

What should I do if the Win7 system plays video, jagged, mosaic, and blur?

1. Click &"Start——Control Panel——System——Advanced System Settings;

2. In the pop-up "System Properties" dialog box In the middle, switch to the "Advanced" tab, click on the "Performance" area "Settings";

3. Under the pop-up "Visual Effects" tab, click “Customize & rdquo;, will "set the desktop combination" & rdquo; in front of the check to remove;

4, after the modification is completed, save the settings to exit.

PS: When the user removes the option to enable the desktop combination by default in step 3, it may affect the use of Windows 7 Aero effects. Therefore, when users need to take into account the Windows 7 Aero effects, please reset the video and audio files to the default option of "Enable Desktop Combination".