Windows7 system desktop icon whitening repair method

  
Repair method one:
First right-click on the Win7 desktop blank, select "Personalization", and then freely change a theme from the Win7 personalized window. This way Windows 7 will automatically update the icon cache and the problem will be solved.

Repair Method 2:
Enter Win7 Control Panel, then click “Change Desktop Icon”, click Restore Defaults.
Repair Method 3:
Press and hold F8 when you start the computer, enter safe mode, restart the computer after entering safe mode, Windows7 system will automatically update those useless cache icons.

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