i got a nvidia tiva tnt2 vanta and it sux becuz every time i run half-life for bou 10 minutez, the game freezes and da sound loops ova and ova and ova.

ctrl,alt,del dont work and da whole system froze.

me friend suggested and i got it but it didnt work, the game smoothness was worst and the same problem happened

den i went to nvidia site and download detanoator 3 and it didnt work

any suggests?

This is probably not a driver problem. When your computer starts can you change the bios settings. Try to disable any turbo settings for AGP.