"The speed of the CPU 0 in group 0 is restricted by the system firmware."

Hello!

My computer has recently been very slow. I tried to format and reinstall, but it did not help. When I checked the system event log, I saw this warning message repeatedly:

Microsoft-Windows-Kernel-Processor-Power
37
Warning!
The speed of processor 0 in group 0 is being limited by system firmware. The processor has been in this reduced performance state for X seconds since the last report.

My CPU time are OK, and I've updated the drivers and BIOS. All power saving settings are set for maximum performance. Does anyone know what causes this problem and how it is fixed?

Model: Pavilion DV7 6010so

CPU: AMD Turion Dual-Core processor P560

OS: Windows 7 Home Premium

EDIT: According to the performance test PassMark, my CPU performance is one-third of the exception. There is definitely something wrong.

I do not have the main function of parking in any case, it's Intel only, I guess.

With the help of AMD Overdrive didn't completely solve the problem, as something of force multiplier to 4 a few minutes after changing. I thought it had to be a kind of BIOS-side power save "feature", but the official BIOS of HP sucks and it is not all the options related to it. I installed the modded BIOS (it's risky, I know), disabled AMD Cool ' silent mode and now sticks to 12.5 x multiplier.

Pretty weird, huh? Cool ' Quiet is supposed to increase multiplier when necessary and lower it when the computer is idle, but for some reason it has stopped working properly a few months ago and stuck the multiplier to 4 x.

Tags: Notebooks

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