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Fans on GPU not activating

BaidolBaidol I will hold him offEscape while you canRegistered User regular
in Moe's Stupid Technology Tavern
About a month ago, something fried my PSU (Seasonic SS-750), my motherboard (ASRock Z97 Extreme 3), and my video card (GeForce GTX 780). All three components were RMA'ed and the computer now boots fine. However, the fans on the GPU will not activate. A second RMA of the GPU did not resolve the situation. Swapping to a new PCI-E slot on the motherboard does not fix the problem. Using EVGA's Precision XOC software to try and manually activate the fans does not succeed. A full removal of drivers and clean reinstall does not help. I have to assume that there is something silly, either a missing connection or similar, I'm missing that prevents the fans from turning on. I'm looking for suggestions on things I can look at.

Steam Overwatch: Baidol#1957

Posts

  • bowenbowen Sup? Registered User regular
    A lot of times the fan doesn't turn on if it's not being hit with data to process even with forcing it, it's idle, so no reason to turn on the CPU as far as the driver software is concerned. This happens with the 10X cards too, half the time they don't even turn on during light load.

    But I would also double check to make sure you've pluged power into the video card directly from the PSU

    not a doctor, not a lawyer, examples I use may not be fully researched so don't take out of context plz, don't @ me
  • BaidolBaidol I will hold him off Escape while you canRegistered User regular
    Unfortunately, running the card under a load (Overwatch, Valley Benchmark) does not activate the fans and leads to overheating. The power cords are plugged in.

    Steam Overwatch: Baidol#1957
  • wunderbarwunderbar What Have I Done? Registered User regular
    sounds like something else is shot. Do you run fans through any kind of controller? Do you have another PC you can toss the GPU into to make sure that the new motherboard isn't the issue? same with a PSU?

    XBL: thewunderbar PSN: thewunderbar NNID: thewunderbar Steam: wunderbar87 Twitter: wunderbar
  • BaidolBaidol I will hold him off Escape while you canRegistered User regular
    After a close visual inspection, it turns out that the little plug that allows power to reach the fans wasn't in. A little tweezers work and I'm good to go. Thank you for the the advice!

    Steam Overwatch: Baidol#1957
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