>>*HELP HELP HELP HELP*<<

I've quite recently had a new computer, built for me by a next door neighbour. Originally, the PC ran fine, but I started to run into problems, such as the dreaded "blue screen of death". Mainly, the error message wasy displayed: IRQL_NOT_LESS_OR_EQUAL. Reading around Ive been told it can stem from the CPU, to RAM, the Graphics Card its self and hardware. I had an FX 5200, and with this I couldnt do anything unless my hardware acclerations were off! So I went and baught a 7800 GS OC Extreme Edition, hoping this would solve the problem, but it didn't Although they happen less frequent, they do still occur, mainly when I open MS Paint, flash objects and now when I play online games, such as CoD2 or BFME2. Please assist me

Pc Spec:
-Speeze EEA30B4 Lightowl AMD CPU Cooler Xp3200+ and Sempron 2800+
-500w Power Supply
-Maxtor 6L160P0 Diamondmax 10 160GB 7200RPM ATA/133 8MB Cache - OEM
-Kingston 512MB DDR PC3200 400MHz CL3 Memory Module x1
-Foxconn Sempron 2400 Socket A Bundle: 748K7AA Motherboard, AMD Sempron 2400+ CPU, CPU Cooler
-Nvidea 7800 GS OC EXTREME EDITION

Thanks,
Nick

what is the full error message you are getting?

I know you just say 500 watt Power Supply, but can you give us the specs of that too, the make and model please

Sorry, have been extremely busy with my A-Levels so not had time to get online

I cant remember the full error message, but it did say something about it possibly being a hardware problem and to reinstall my new/recent hardware.
Power supply I originally thought was a "Ebuyer Extra Value 500w Power Supply Gold with Dual Black Fans". Although, I actually found out it isnt, my neighbour stole this power supply and Ive got a 400watt one So, not happy about that lol :P