Gpu fan staying at 40%

[Charl Mostert]

Hi I have had a strnage problem recently.I had a gtx 590 in my pc and started to realize that my fan speed on the gpu does not increase with temperature and then I would get black screen.I inserted another gpu in my pc but still the fan stays at idle 40% and does not increase as the temperature rises of the gpu.any idea what can cause this?

 

[RustedPencils]

Have you tried adjusting the fan speed yourself with tools such as the NVIDIA control panel or Precision X?

 

[Charl Mostert]

Have you tried adjusting the fan speed yourself with tools such as the NVIDIA control panel or Precision X?

Yes I did try msi afterburner and evga precision x..they don't solve the issue if I let the fan run at say 75% yeah it works at first then when I quit a game suddenly it drops to idle and does not cool the gpu down alowly as it should guess this is what is causing the overheating..tested it in a friends pc and same problem happens.cant be that both cards are problematic they are totally different.also it says the fan is at 75% when its tachometer shows its idle rpm's