Windows 7 computer thumbnail display disorder How to do thumbnail disorder solution

2. Type Disk Cleanup in the Start Search field and press ENTER to open the Disk Cleanup tool.
   
   
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4. Select the system disk letter. (here, take system disk C for example)
   
   
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6. All you need to do now is to check the thumbnails item in the " files to delete " column. Then, confirm the deletion.
   
   
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rebuilding Windows 7 Thumbnail caching method two :

1. Enter the following address in the Address bar, carriage return.
   
   
   %userprofile%appdatalocalmicrosoftwindowsexplorer
2. Depending on the size of the icons, the following four . db files are stored in the folder, and you can delete them all.
   
   Thumbcache_32.db
   Thumbcache_96.db
   Thumbcache_256.db
   Thumbcache_1024.db
   
   
   
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After clearing these icon caches, and then opening the file, the thumbnail should return to normal.