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1 Rookie

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53 Posts

744

December 13th, 2020 07:00

Show incorrect CPU Core in Dell Precision 7720

Hi all

i have Dell Precision 7720 with i7 7820HQ

7820HQ has 4 Cores and 8 Logical Possessors

but in device manager and task manager, Windows show 4 Cores and 4 Logical Possessors

My windows is 10 x64 Build 19041.685

i installed Vmware Workstation

i installed Dell Precision Optimizer and in Bios All cores activated.

2 Intern

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217 Posts

December 13th, 2020 14:00

Check in the Bios and make sure Hyperthreading is enabled.

6 Operator

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6.2K Posts

December 13th, 2020 15:00

Welcome to the Dell Community @B.Jan Ahmad 

You need to check your "Multi Core Support" in the BIOS.

ALL are selected by default but it could have changed for software support.

Not sure what Hyper Threading would have to do with how many cores are being used???

Best regards,

U2

1 Rookie

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53 Posts

December 14th, 2020 04:00

i checked:

Hyperthreading is enabled.
Multi Core Support is enabled.

so, i set "Default" bios and after restart show correct number of Core

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