Why is my CPU core speed stuck on maximum.

Hi guys I sorta have a problem just installed a new graphics card the HD 6770 and for some reason I notice my Core speed according to CPUz doesn't fluctuate it's at a steady 3.1Mhz which is max for my CPU . It just stays that way regardless of what running or not.

I ask here since maybe someone may know in specific to cpu usage problems. I have no viruses and installed all the latest drivers.

Acer Board: Nvidia Chipset MCP61
AMD 64 X2 5800+ (upgraded cooling fan & heat sink)
3GB Ram
500 Watt PS
Win7 32bit
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More about core speed stuck maximum
  1. It could be an issue with the chipset but most likley the Coll 'N' Quiet is disabled in the BIOS. Without that on, the CPU stays at the max clock speed.
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