Hi guys, i have a problem with a pc ive built recenty and in 10 years of certified computer tec ive never seen something like this.
Its an AMD FX 6300, gigabyte GA 970A DS3P, 4x2 G Skill Ripjaws, Thermaltake 600w with a Sentey case optimus GS 6000.
The thing is, every time i build a pc i do a prime 95 stress test /speed fan/ cpu core / hwmonitor to see that everything runs smoothy, when i noticed that its doing 24c idle and 78c stressed. (first "not good" thing). I was tired when i build it up so opened the case, checked everything again, heatsink reseated just in case, etc....STILL overheating.
What came to my attention is that it was idleing just fine, but it couldnt control stress temps (which tends to be a heatsink malfunction or misseated) but no, everything was fine there.
So i noticed another interesting thing, the pc was really silent, and when i mean silent is nothing, really quiet, even under stress, there s when i said bingo, the fan is not accelerating!
So i run another prime 95, let the cpu heat and, NOTHING, fan still running at 800 rpm! AND, which is even more weird, i rebooted it, and enter the BIOS with the cpu still hot and OUTSIDE windows, the fan starts and i can hear it and it cools the CPU.
IN FEW WORDS: I have a cpu fan that works proper outside windows 7, but when im in windows no matter what i do, the fan speed sticks at 700-800 rpm with the logical overheating problem.
ANY IDEAS?
thanks.
Its an AMD FX 6300, gigabyte GA 970A DS3P, 4x2 G Skill Ripjaws, Thermaltake 600w with a Sentey case optimus GS 6000.
The thing is, every time i build a pc i do a prime 95 stress test /speed fan/ cpu core / hwmonitor to see that everything runs smoothy, when i noticed that its doing 24c idle and 78c stressed. (first "not good" thing). I was tired when i build it up so opened the case, checked everything again, heatsink reseated just in case, etc....STILL overheating.
What came to my attention is that it was idleing just fine, but it couldnt control stress temps (which tends to be a heatsink malfunction or misseated) but no, everything was fine there.
So i noticed another interesting thing, the pc was really silent, and when i mean silent is nothing, really quiet, even under stress, there s when i said bingo, the fan is not accelerating!
So i run another prime 95, let the cpu heat and, NOTHING, fan still running at 800 rpm! AND, which is even more weird, i rebooted it, and enter the BIOS with the cpu still hot and OUTSIDE windows, the fan starts and i can hear it and it cools the CPU.
IN FEW WORDS: I have a cpu fan that works proper outside windows 7, but when im in windows no matter what i do, the fan speed sticks at 700-800 rpm with the logical overheating problem.
ANY IDEAS?
thanks.
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