Just to finish this off installed a 1300 better quality psu yesterday no crashes and running smoothly :)

thanks for your input and help

wasnt cheap but worth

ta :D

Its about 18 months old I don't have another good enough to swap out, do you think its worth buying a decent brand and replacing ?

Hi thanks for your reply it's an ICUTE 1000w AP1000AS.

Hi

I am having regular restarts when the system is under load all temps seem ok etc

I have attached a screen shot of event viewer and my zip info as requested.

Please help its driving me...