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Friday, January 7, 2011

How to Reset the Windows Experience Index (WEI) in Windows 7


This article will show you how to reset the Windows Experience Index (WEI) as unrated in Windows 7 or Vista. This way you can rate your computer WEI score again with a clean slate.

Windows Experience Index (WEI) with a Score

Windows Experience Index (WEI) Reset to Unrated

Through Advanced Tools

To completely reset WEI, you should do either Option Two or Option Three below since they delete all of the .xml files so you can start fresh again.

1. Open the Control Panel (icons view), then click on Performance and Information Tools.

2. In the left pane, click on the Advanced Tools link. (see screenshot below)

3. Click on the Clear all Windows Experience Index scores and re-rate system link. (see screenshot below)

4. If prompted by UAC, click on Yes if administrator or enter the administrator's password if standard user.

5. The WEI score will now be reset, and the WEI tests will now run automatically to rate this computer for a new WEI score.


2. In the elevated command prompt, copy and paste (or type) the command below and press enter. (see screenshot below)

del /f %SYSTEMROOT%\Performance\WinSat\DataStore\*.xml

3. WEI has now been reset. You can now update your WEI score.


Manually Through Windows Explorer

1. Open Windows Explorer, and navigate to the location below.

You can also "copy and paste" this location in the Start Menu search box and press enter to open directly to it.


2. In the Data Store folder, select all of the listed .xml files and delete them. (see screenshot below)

3. Close Windows Explorer.

4. WEI has now been reset. You can now update your WEI score.

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