After upgrading to Windows 11 Pro, I've encountered an issue where my computer only detects one CPU. I noticed that the "Number of Processors" option in MSConfig seems to refer only to CPU cores, not the actual number of CPUs. This wasn't a problem in previous versions of Windows, so I'm wondering what might be causing this. Any suggestions?
4 Answers
Don't forget, the "number of processors" option in MSConfig can limit the detection. Make sure you turn it off, save the changes, and then reboot your system to see if it picks up both CPUs.
First, you should check your BIOS settings. Sometimes, all CPUs aren't enabled by default, or multi-processor support might not be activated. Also, make sure to update the chipset drivers for your motherboard, as Windows 11 might need the latest drivers to recognize all chips properly. If you're still having trouble, try running msinfo32 to confirm that multi-processor support is enabled, or consider doing a repair install of Windows to resolve any issues at the OS level.
An important step is to check the BIOS settings. If you haven't looked there yet, enable all CPUs and make sure multi-processor support is activated. It can make a real difference.
Are you sure that your setup includes more than one CPU? Most common systems have a single CPU with multiple cores and threads. If you have an older board like a Skulltrail with two sockets, just double-check everything.
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