Article ID: 933478 - View products that this article applies to.
In Windows Vista, the Windows Experience Index rating may be displayed as "Unrated," or it may inherit a lower value or a higher value than expected.
You may experience this issue if one of the following conditions is true:
This issue occurs when Windows previously tested the system and provided an index rating. If the hardware changed since the initial testing process, the original values are stored until they are updated. This procedure is performed to support existing software and features that rely on the Windows Experience Index rating information.
The Windows Experience Index evaluates the scores of hardware configurations and updates items that have high scores. Each score in the Windows Experience Index relates to a particular hardware item. For example, the Memory score relates to random access memory (RAM). The Graphics score relates to the video card.
The Windows Experience Index may inherit earlier ratings. The index is especially likely to inherit earlier ratings for components that relate to gaming graphics, such as memory.
To resolve this issue, use one of the following methods, as appropriate for your situation.
Method 1: When you start Windows Vista for the first time or when the Windows Experience Index runs before you update a driverTo resolve this issue when you start Windows Vista for the first time or when the Windows Experience Index runs before you update a driver, follow these steps:
Method 2: Update the Windows Experience Index from Control PanelTo do this, follow these steps:
Method 3: Update the Windows Experience Index at a command promptTo do this, follow these steps:
Method 4: After you change the computer's hardware configurationTo resolve this issue after you change the computer's hardware configuration, follow these steps:
The Base score value in Windows Experience Index displays the minimum value for the five components that Windows Vista tests to determine the Windows Vista Experience Index. Therefore, the Base score value represents the value of the lowest sub-score when Windows Vista tests the components in the computer. Windows Vista tests the following five components:
The following table displays results from Windows Vista Experience Index:
In this example, Windows Vista sets the Base score value as 4.5 because the lowest value for these tests is 4.5.
Collapse this tableExpand this table
For more information about Windows Experience Index, visit the following Microsoft Web site:
Article ID: 933478 - Last Review: May 28, 2008 - Revision: 3.2