This can be considered a Win7 bug, as long as you change the background to a solid color, and then do not change any configuration. Then about your boot speed will be more than the original 30 minutes of time, the following is the solution!
1
Suggested methods of use
The pure color oneself according to own desktop size to get a pure color picture on line, the size is different also does not matter, uses the tile to be OK. Anyway, the solid color does not look out.
2
If you don't want to make your own pictures, you can only modify the registry.
Enter the regedit into the start search bar and make sure to enter the registry. Then navigate to: Hkey_local_machinesoftwaremicrosoftwindowscurrentversionpoliciessystem, find and change the value to 5 " DelayedDesktopSwitchTimeout ".
The above is about win7 change to a solid color background will cause the boot speed to slow down how to solve . Basically only these two solutions, the second step to reboot to be effective, of course, you have to check the restart speed, itself need to reboot, so you do not want to deliberately restart.
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