PC Randomly Shutting Down

[tsinc80697]

Its been doing it about once a day or less than that, really randomly, no matter what I am doing.

Will it be PSU related or could it be anything else?

The PSU is a 480W Jeantech one, not that good as far as I know, but forking out £80 for a PSU and it turns out its not will annoy me!

Thanks

Spec -

Q6600 @ 4hgz
4gb ballistix
3 x 500GB HDD
1 x DVDrw
1x water loop
8800 GTS 512mb

 

[tsinc80697]

I cant remember if it happened before adding the water loop but Im pretty sure it was fine with a 640mb GTS in the system and another HDD instead of the water!

 

[tsinc80697]

Put the clock to 1.4v CPU 30001mhz, droppd NB voltage and PLL. Was on fine overnight playing Scrubs for 7hours, used it for 10minutes this morning and it turned off, no w on my mac

 

[tsinc80697]

When the PC is on they spin fine, ut when it turns off it turns everything off until it seems to cool down, sometimes its 10seconds and sometimes its a while. Last night took about 25minutes

 

[tsinc80697]

Lowered the overclock and volts and it hasn't died since!

Not sure whether its the motherboard not handling the volts or whether the PSU can't handle outputting that amount over a long period of time!