- One or more 16-gigabyte (GB) or 32-GB memory modules are installed in a computer.
- The computer is running a version of Windows that is listed in the "Applies to" section.
- You view the Performance tab of Task Manager to view the total system memory.
In this scenario, you notice the following symptoms:
- The total system memory or memory speed is listed incorrectly when you view the Memory category on the Performance tab of Task Manager. For example, on a computer that has 32-GB memory modules inserted into 21 slots, the total system memory is listed as "1.5 PB" (as shown in the following screenshot and circled in red) instead of the correct value of 672 GB (as shown correctly directly beneath the circled text).
- Information is also listed incorrectly when you rest the mouse pointer over the Slots used field. (This field displays the tool tip that lists the individual slots and memory modules.)
- On a computer that uses 16-GB memory modules, the memory speed is listed incorrectly.
To verify the actual memory speed values, you can use Windows PowerShell to check the following properties (Windows uses these properties to report memory speed):
- ConfiguredClockSpeed (used on devices that have 32-GB memory modules installed)
To do this, run a command such as the following at a PowerShell command prompt:
(Get-CimInstance -ClassName CIM_PhysicalMemory) | Select-Object ConfiguredClockSpeed, Speed