Major issues - Please help!

[TheDean]

My rig has been brought to it's knees & I have no idea how or why?! Please help!

This all started with World In Conflict. I was running Vista x64, but changed back to Xp Pro due to poor performance. The game would often lock up or be unplayable even at the lower settings.
I now have seemingly much more serious issues.
Games will run fine for a while then start shuddering and 'jump'. When I alt-tab out of them and close them using Task Manager, the system continues to behave strangely - Eg I just tried to put Pandora on in the background while typing this and it just juddered like a stuck record!

Another issue I have encountered is when loading up games lots of red pixel lines appear on the screen coming from the right. They flash up constantly and this is very strange.

I am at my whits end as all was fine not long ago and I cleanly installed Xp less than a week ago

Please help!

Rig:
Xp Pro fully up to date
E6300 @ 3Ghz
2Gig Crucial Anni @ 5-4-4-8
BFG 320MB GTS
DS3 F12 bios

 

[TheDean]

Anyone?

 

[TheDean]

I have a Corsair HX 620. Its less than 18month old and I tested it recently, so I don't think it's that.

I did however totally take off ANY overclock I had and it seems to be working fine now....What does that mean?

 

[TheDean]

It could be throttling due to overheating, but it's unlikely. I take it you have ruled out any form of malware running in the background?

Well I did do a complete reinstall of Xp - So I doubt it's that.

Seriously though were you overclocking your cpu,ram and gfx?

Just CPU & RAM. I had the CPU @ 3Ghz and the temps were fine, so it must be the RAM. This is worrying cos it's crucial anni and awesome...I'll run non-OC'ed until crysis comes out then think about it!

Thanks for all the help...