Direct-X diagnostics tool may report an unexpected value for the display adapters memory
This article describes an issue where Direct-X diagnostics tool (DXDIAG) reports an unexpected value for the display adapters memory.
Applies to: Windows Server 2012 R2
Original KB number: 2026022
Symptoms
You have a system with 1GB or greater of Video memory, and 4GB or greater of system memory (RAM). You run the Direct-X Diagnostics tool, and it reports that you have an unexpectedly low amount of Approximate Total Memory on the display tab. You may also see issues with some games or applications not allowing you to select the highest detail settings.
Cause
The API that DXDiag uses to approximate the system memory was not designed to handle systems in this configuration
Resolution
Microsoft is working to resolve this in future releases.
More information
On a system with 1GB of video memory, the following values are returned with the associated system memory:
| System Memory | Reported Approximate Total Memory |
|---|---|
| 4GB | 3496MB |
| 6GB | 454MB |
| 8GB | 1259MB |
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