[SOLVED] how to fix my disk icons in explorer became like windows 7 disk icon

That looks like a version of the icons with crude color gradings (like gif images that only having 256 colors and one bit/pixel of transparency).

If it isn't the icons themself (if it is, a simple reboot should fix corrupted icon cache), then there may be your screen running low color resolution.
 
That looks like a version of the icons with crude color gradings (like gif images that only having 256 colors and one bit/pixel of transparency).

If it isn't the icons themself (if it is, a simple reboot should fix corrupted icon cache), then there may be your screen running low color resolution.
 

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