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windows server 2008 only recognizes one core

I currently have windows Server 2008 running on Intel Core 2 Quad CPU Q8300 at 2.5GHZ.  When I look at task manager it only shows one core.  When I run intel Processor Identification it shows 4 cores with the reported speeds the same as the expected speeds, i.e. 1333 bus, 2.5 Ghz.  

Why is windows only showing 1 core?  Windows 2008 standard, 64 bit, SP2.
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halejr1
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halejr1
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1 Solution
 
halejr1Author Commented:
Also I did check Bios, multi core tech is enabled, and I did have Intel VT enabled but  I have since disabled it to see if that would make a diff.
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Patrick BogersDatacenter platform engineer LindowsCommented:
Hi

I've seen this before.
Installing the latest Intel chipset and rebooting will probably fix it for you.
If you need help with identifying the right one we need the make and model from your server.
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halejr1Author Commented:
sorry do you mean " the latest bios" instead of chipset?  I'll get the make and model for you...
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Patrick BogersDatacenter platform engineer LindowsCommented:
Nono i mean drivers...  Just download the newest from Intel.
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McKnifeCommented:
I can confirm Patrick's thought. Saw someone here solve the same with the intel chipset driver installation.
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halejr1Author Commented:
thanks for the info.  I just reloaded OS
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