Win7 system preview window blur how to solve

  

1. Press Win+R to open the run, enter regedit, press Enter to enter the registry editor;

2. Expand to HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionExplorerTaskband;

3. Create a new one on the right side. DWORD (32-bit) value named "MinThumbSizePx";

4. Double-click to open the MinThumbSizePx key, change the data value to "450", set the base to "ld"; decimal, click OK Just fine.

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