PC problems

[Dinoburger]

I had been having problems for a while, some times when I was playing pretty intensive games the pc would lock up and the screen would usually turn into vectors shooting about the screen.
This didn't happen too often just every couple weeks usually.
Since moving flat though I've had problems with my RAM and removing the faulty stick seemed to make it work ok for a while.
Now it won't even post to the screen though. All the fans spin though and there are no abnormal beeping noises.

My PC is about 3years old now and I was looking to upgrade pretty soon. Should I try salvage some of the components or just go for a new build?

 

[Dinoburger]

Thanks for the welcome, will go try what you've said just now but running short on time.

I can hear the pub calling my name

Budget = ~6-700

 

[Dinoburger]

EVGA nForce 680i SLi (Socket 775) PCI-Express DDR2 Motherboard (122-CK-NF68-A1)
Corsair Dominator 2GB (2x1GB) DDR2 XMS2 PC2-8500C5 TwinX Dual Channel (TWIN2X2048-8500C5D) *2
OcUK GeForce 8800 GTX 768MB GDDR3 HDTV/Dual DVI (PCI-Express) - (Grade A OEM - 3 Months Warranty)
Corsair HX 620W ATX Modular SLI Compliant Power Supply (CMPSU-620HXUK)
Western Digital Raptor X 150GB 10000RPM SATA 16MB Cache - OEM (WD1500AHFD)
Zalman CNPS9700-NT nVidia Tritium CPU Cooler (Socket 754/939/940/AM2/LGA775)
Conroe CPU but not sure exact specs or if there are different varieties.
Antec900 case

 

[Dinoburger]

Fully unplugged everything and gradually put in components.
2 sticks of RAM were faulty.
Borrowed a friends graphics card and managed to get in to OS no problem.

Should I put the cash in to buying more RAM and a GFX? Or is it just worth buying a whole new rig?

 

[Dinoburger]

up <3