My PC turns on but the monitor is no signal

  mali77 17:23 08 Jun 2018
Locked

I bought a custom built pc around 3 years ago and it hasn't had a single issue since. Recently when I play a game on it the pc sometimes will get a black screen and will make a distorted noise. This is usually fixed after I turn it on and off. However, a few days ago instead of getting a black screen when it crashed the screen turned brown. After I tried to reset it the monitor keeps saying no signal. I checked the DVI cable and made sure it was in properly. After this I took out the ram and wiped it and the CMOS(I have no history with computers). When I turn the computer on the fans are working and the GPU's fans also work so i'm not sure what the issue is.

My rig is: Gtx 970 i7 4790k Two 8gb rams 750 PSU

Any advice on how to fix it would be appreciated.

  mali77 17:33 08 Jun 2018

The monitor works it turns on and works on other computers but it keeps saying no signal found on my computer.

  Fruit Bat /\0/\ 18:25 08 Jun 2018

try the monitor cable on your other machine

if still same try removing and refitting the graphics card.

  wee eddie 18:25 08 Jun 2018

This is a long shot but will cost you nothing to carry out.

Take the cover off Graphics Card and clean between the fins of the heat exchanger.

  mali77 18:32 08 Jun 2018

Thanks for the advice i'm gonna try it now i'm not too good with computers so hopefully I don't break anything

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