New Build - Powers down after POST

[Andyt_uk]

Hi Guys,

Just wondering if someone would be able to help me out with this. Just assembled the following,

Antec 900
Asus P5N-E SLI 650i
E6600
8800GTS
2gb Geil PC6400

Build all went ok although a little fiddly.

Now the PC boots but it randomly turns itself off. It could be whilst changing boot order in the bios, when trying to boot from CD or just after it gets past the bios screens.

Any ideas? All fans, lights come on as expected. Temps look fine from the Bios. Could it be a dodgy PSU or Mobo?

Cheers,

Andy

 

[Sharki]

powersupply sounds a bit dodge

does it turn off sreight away, or u actually installed windows etc?

 

[Andyt_uk]

Well now i can get it to start booting off CD but it shuts itself down again after 30seconds or so.

 

[Cyber-Mav]

what psu is in that system??

 

[Andyt_uk]

Ah... thought I'd mentioned that

Its the Corsair HX 520W.