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One GPU fan never turns on

Post Date: 2018-01-18
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Saajuk View Drop Down
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Posts: 45 		  Quote Saajuk Quote  Post ReplyReply bullet Topic: One GPU fan never turns on
    Posted: 18 Jan 2018 at 5:43pm
I run two 980s in SLI. Both fans work and are running at boot up but while under load and gaming only the top GPU has fans running. The bottom one just twitches a little bit every couple of seconds. Temps seem to differ around 20 degrees the hottest one being the top (64-70) and bottom is around (43-45). I tried switching the GPUs. Both ran at boot up but still only the top ones fans ran during gaming and bottom on twitched. How can I get both fans to run? I have had the pc for about 3 years not even sure if this was a thing from the start, never really paid the much attention to the fans till now.thanks.
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DST4ME View Drop Down
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Posts: 36758 		  Quote DST4ME Quote  Post ReplyReply bullet Posted: 18 Jan 2018 at 7:16pm
You should have paid attention because you need to replace your gpu.

Contact manufacturer for replacement

Edited by DST4ME - 18 Jan 2018 at 7:17pm

Nvidia Drivers----AMD Drivers
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Saajuk View Drop Down
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Posts: 45 		  Quote Saajuk Quote  Post ReplyReply bullet Posted: 18 Jan 2018 at 7:19pm
Originally posted by DST4ME

You should have paid attention because you need to replace your gpu.

Contact manufacturer for replacement


but they are both working in the top slot. The last slot is the prob. Maybe the motherboard?

Edited by Saajuk - 18 Jan 2018 at 7:19pm
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DST4ME View Drop Down
DS ELITE
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Posts: 36758 		  Quote DST4ME Quote  Post ReplyReply bullet Posted: 18 Jan 2018 at 7:23pm
Lol i misread your post. Apologies.

So your gpu that Is at 45c doesn't need the fans to run, fans are set to run at certain temps. You can change that but I would not , all seems correct.

Edited by DST4ME - 18 Jan 2018 at 7:23pm

Nvidia Drivers----AMD Drivers
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Saajuk View Drop Down
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Posts: 45 		  Quote Saajuk Quote  Post ReplyReply bullet Posted: 18 Jan 2018 at 7:34pm
Originally posted by DST4ME

Lol i misread your post. Apologies.

So your gpu that Is at 45c doesn't need the fans to run, fans are set to run at certain temps. You can change that but I would not , all seems correct.


where can i go to see the required temp for the fans to kick on?
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DST4ME View Drop Down
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Posts: 36758 		  Quote DST4ME Quote  Post ReplyReply bullet Posted: 18 Jan 2018 at 7:36pm
Download precision (evga) or afterburner (msi). Both work no matter what you got.

Edited by DST4ME - 19 Jan 2018 at 2:13am

Nvidia Drivers----AMD Drivers
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bprat22 View Drop Down
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Posts: 20391 		  Quote bprat22 Quote  Post ReplyReply bullet Posted: 19 Jan 2018 at 2:11am
If your graphics cards have the zero fan spec then they won’t turn on until about 60-65 C.     Top card always runs hotter. All appears normal to me also.

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