Video Card, RAM, or something else

[TIMEZONEC]

Hey everybody,

The past few weeks I have notice my computer doesn't respond, lags, then computer crashes which I will have to restart my computer. This is when I was using Windows 2000 Pro. So the next day I installed Windows XP PRO SP1, when I finished installing everything this still happens when I visit the web (FIREFOX AND IE), look at videos on or on the computer (youtube, google video, "MY OWN VIDEOS ON MY COMPUTER", and etc...) So from my perspective I think its either my video card which is a NVIDIA RIVA TNT2 Model 64 or my 512MB RAM. People from other forums told me its my video card but I want to make sure if its really my video card, ram, or both! Btw, I know for sure no ad-awares, spywares, malaware, virus, trojans, and etc...

MY SPECS:

Intel P4 2.4GHZ
512MB RAM
NVIDIA RIVA TNT2 Model 64 (Driver Version – 7.1.8.9)
Intel ECS PT800CE-A
Maxtor 114GB
Windows XP Pro SP1

*EDIT - also when I just visited hardforum.com, went to my thread, tried to scroll down, then mouse freezes, doesnt respond, then I have to restart my computer ONCE again.

 

[TIMEZONEC]

no help at all? please do help! it would be appreciated...

 

[wolfram]

Hello and Welcome to Techspot!

Why not install Service Pack 2? It should be installed for maximum security. Also, install the latest drivers from Nvidia.
If you think the RAM may be a problem (probably), test it using memtest, and let it run for 7-10 passes.