GPU running at 75% fan speed upon startup

Miskav

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Sep 16, 2014
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Since about two days ago, every time my PC boots up, my GPU's fan kicks in to overdrive, always reaching 75% maximum speed without any discernible reason. It will keep running at this speed for at least 2 hours, which is the longest I've dared to try it, and at which point I downloaded speedfan to manually adjust it. However, I need to do this at every startup, and I'm afraid it's still going to damage my video card.

Hardware wise nothing changed, my case and components have been cleaned +/- 30 days ago, and I can't think of any software changes that have been made in the past week, save for automatic updates to chrome/etc.

I'm kind-of stumped here, and after being unable to figure it out myself, I figured why not try and ask for help.

My bad if it's in the wrong section, I wasn't sure whether to put it here or in the Graphics section.
 
Solution


You must have a faulty GPU then, the fans are supposed to spin as soon as your PC starts running. I suggest you get a new GPU post-haste. Let me know if more problems occur.

Miskav

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Sep 16, 2014
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As far as I can see, everything is hooked up correctly, the cables are in good shape as well. Issue persisted after having opened the case and re-doing the wires/connectors.
 

Miskav

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Sep 16, 2014
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Family member turned on PC when I was at work and left it running for several hours at 75% fan speed, had three BSOD's since returning from work several hours ago.

I'm wondering whether or not they're connected.

"This was probably caused by the following module: portcls.sys (0xFFFFF880071BAB15)
Bugcheck code: 0x50 (0xFFFFFA804DAA4008, 0x0, 0xFFFFF880071BAB15, 0x0)
Error: PAGE_FAULT_IN_NONPAGED_AREA
file path: C:\Windows\system32\drivers\portcls.sys"

 
It could be a faulty GPU, i suggest you take out the GPU and run your system to check if it is the GPU that is giving fault.

Here is what I would do:

1. Remove GPU, check to see if the problem still occurs when running the PC.
2. If problem still persists Remove 1 stick of RAM, if the problem still persists Remove the other stick and Put back the previous stick you removed
3. If the problem still persists try swapping RAM from a different build that has the same RAM generation(DDR2 or DDR3) and check to see if the problem persists
4. If the problem still persists check your HDD for any problems and try booting from a different HDD with a clean set of windows
5. if the problem still persists then it could be either your Mobo or CPU.

 

Miskav

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Sep 16, 2014
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Removing the GPU obviously fixed the problem of my GPU fans running at 75% speed, however I was uncertain if it fixed my BSOD issue, as I hadn't had any for the previous 24 hours.

However, upon replacing the GPU I noticed something different, or something that I hadn't noticed before. The fans only start spinning once windows has finished booting.

I'd guess it's a software issue, though I'd be damned if I knew what was making my fans spin. I'm doubting it's speedfan, as I hadn't even downloaded it when the program started.
 


You must have a faulty GPU then, the fans are supposed to spin as soon as your PC starts running. I suggest you get a new GPU post-haste. Let me know if more problems occur.
 
Solution

Miskav

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Sep 16, 2014
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Hmm... That's exactly what I didn't want to hear. Replacing the GPU is not an option due to it being over the warranty, and I have absolutely 0 disposable income.

I guess I'll try to tinker with it a bit or something, hopefully it'll last me another 12-18 months =/
 


That is most unfortunate... hopefully you can try to get it to work... if not..do you have a friend who can lend you a card???
 

Miskav

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Sep 16, 2014
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I'll have to look around for that, not sure if that's the case, but I'm sure I can figure -something- out when it totally dies.

Thanks for the help, I appreciate it.