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The green vertical bar of the Win7 system volume adjustment animation has disappeared. How to retrieve it

  
1. First, right click on the “Computer” icon on the desktop of the computer and select “Attributes”, then click on the “Advanced System Settings” on the left side of the window;

2. The system is open. In the Properties window, switch to the "Advanced" tab, then click on the "Settings" button under Performance;

3, then in the Performance Options window, in the visuals, select Custom, Then directly check the animation space and elements in the window below, and then click the OK button to exit.

About Windows7 System Tutorial
Windows system
Win7 error 16389 can not create a new library how to do

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Retrieving the Windows7

in the Windows.old folder. The version of Win8 that is currently under development is getting faster
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