I have a r9 290 reference card that was starting to run too hot so I took it apart cleaned all the dust out and put new thermal paste on. Now when I boot up the computer black screens after the Windows logo and loading circles screen. But every once and a while after the logo loading screen I will see the loading circles again but with no logo this time and then everything starts up fine and has no problems. If I restart again without changing anything it will start to fail again. I have no idea whats causing it to work sometimes and not right after.
Things I have tried so far