Possible PSU problem?

[tomacatawata]

Hi guys, I have a really disturbing problem. Recently my OCZ started smoking so I changed PSU to a Cosair 750w.

Well, I got it today, installed it and it worked just fine.

Well it worked just fine when my case is horizontal. When I put it upright it restarts during the black window screen, What's even odder is that even when put on an angle it work perfectly. Only when it's vertical does it not work.

Please help! All wires are tight and nothing touches when it's vertical either. I have no idea what's wrong.

 

[Harvey]

The symptoms you describe suggest the PSU may running close to its thermal limit, and the airflow in and around your case allows it to remove more heat from the localized hot spot when the case is not vertical.

Check to make sure the PSU an case fans have an unrestricted airflow and that the fans are pushing or pulling in the right direction for best cooling.

Good luck.

 

[Socratesx]

Something must touch and may create a shortcircuit. Try to start your computer on an angle position and as it works revert it slowly to its original vertical position.