Intermittently just keeps shutting down (actually windows doesnt shut down it just appears to lose power as if the lead was pulled out from the back) & reboots.
Did complete format of HD & OS install so assume this disounts virus?
Re-seated all power / sata connectors.
Motherboard lights come on when power lead attached.
So I'm thinking either, faulty power supply/hard drive/motherboard.
Dont have a replacement power supply handy to swap that out, so before I get hold of one, any thoughts about the best way to diagnose/possibly fix would be warmly appreciated.
If I need to get a new power supply do I have to get a Dell provided one or will generic ones suit this machine?
Generic ps will work fine with many dell models. I would just compare it to some photos at newegg to see if it's a special size. I recommend antec or ocz for quality and value. Are you using a separate video card? This will also effect your ps requirements.