The warranty on this card has expired, I’m afraid, so it’s either repair it myself, or sell it very cheaply if at all. So if I could fix this, I would have a much better chance I believe. I actually intend to sell the card since I have no direct use for it myself, but so far nobody seems interested (locally at least). I know the hack of using an adapter cable and plugging the fans into a motherboard CPU connector. I’ve used all kinds of monitoring software, and they all report “0 rpm” when I hear the fans (both, since they’re repaired/replaced!) spinning at 100%.ĭoes anyone have any idea how to fix this? Can it be fixed? I’ve updated the firmware on the card to the latest version. I’ve tested and re-tested a bunch of drivers, even on a fresh install of Windows. The GPU still does not register fan-speed, so I fear that the fan-controller is broken. I have since replaced the fans, and I know for a fact they are working correctly because I’ve tested them separate from the GPU, even the tachometer signal is working fine. Obviously, this meant that the GPU would not register fan-speed, so the fan-controller would ramp up the speed of the other fan to 100% even though the GPU was almost room-temperature (40C/100F) and no load. One of the two fans did not spin, and it was the fan that has the tachometer signal cable coming out of it. With a DC-controlled fan, the fan speed is regulated by the board powering it with lower or higher voltages (say, between 3V and 12V) instead of steady 12V. A 4-pin plug means its PWM (pulse width modulation) controlled. I bought a GTX 1070 a while back, but never put it to use because it had a broken fan. A three-pin plug means the fan is DC ( direct current) voltage-controlled.
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