windows 7 professional x64 only showing 2 of 8 cores..__


I have a dual quad core xeon workstation, and windows 7 is only seeing 2 processors when it should see at least 8...

Answer
Answer
Some recommendations (in Windows, make sure you are running as Administrator):

- Run MSConfig -> Change to Boot tab -> Advanced Options -> "Number of Processors", make sure there is no check mark.

- Delete processor entries listed in Device Manager, then reboot.  In BIOS, check for an option named Max CPU ID Value or CPU ID Max Val and make sure its set to disabled .  Save and Exit BIOS.

- Check for a BIOS update for your system or motherboard.

 

 

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Last updated May 8, 2023 Views 2,010 Applies to: