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

[pighead]

pic: https://send.cm/d/E6vy
so i plugged in my portable ssd and while installing some files from the download folder, suddenly the disk icons became like this

 

[Grobe]

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.