Thermal throttling/fan issues

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Thermal throttling/fan issues

Post by Skepsikyma on 25th May 2009, 10:35 pm

Please help, I've been put through hell by HP's customer support!

Okay, here's my problem. I have a HP pavilion dv7-1240us that I bought in January. About a week ago, its fans stopped running at full-speed like they used to. This causes my CPU to overheat sometimes when I played WoW, something that NEVER happened before. My system then activates some sort of throttling control, and the whole thing freezes up. I've cleaned out the vents with compressed CO2, updated my video drivers, flashed the BIOS, and tried to up the fan speed using a program called 'SpeedFan'. However, when I tried to configure fan speed, no devices showed up, which makes me think that it isn't compatible with newer computers. I've asked people on the HP forums whether I can go into BIOS and change the fan speeds that way, but they say that it's really limited on the newer computers. Please, does anyone know what I can do to fix this? If I get one more person telling me to reinstall the video drivers, I'm going to scream!

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Re: Thermal throttling/fan issues

Post by mariealabama on 26th May 2009, 10:04 pm

Well, good news! Its nothing to do with your video driver! lol. When you were using SpeedFan where you on the administrative account? Windows may be blocking it from showing your fans. Did you try Running as Administrator?

Those things aside, sounds like you may have a faulty power supply. Many manufactures do not install sufficient cooling mechanisms. Also, Not sure if you are a smoker or not, but smoking around a computer can get tar built up on the fan blades and all inside every crevice of the fan. That would cause your computer to over heat.

As for changing fan speeds in the BIOS, I do not know how to do that, but I'm sure if what I said doesn't help then someone else will be able to guide you.

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Re: Thermal throttling/fan issues

Post by Skepsikyma on 27th May 2009, 2:33 am

Thanks, I tried running it as an administrator (There's only on account on my computer, and it's the administrator), and it allowed me to monitor an additional temperature, but still no fans. And I'm not a smoker =)

Also, the fan revs up to full speed when it's booting, but then kicks back down once windows starts loading and never reaches those high rpms again, even though it used to before. So they're still capable of working at higher speeds, they just don't kick in when they're supposed too.

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