Hello, can someone help me. vista freezes after a few hours. I cant use
anything. only option is the power button. It started a month ago. No recent
installations or other changes. I have no Idea what the problem is. neather
does windows, I don't get any bad messages from vista it just won't work.

thanks.

com specs.

acer aspire 7720 ZG
intel pentium dual core T2330
Nvidia Geforce 8400M GS Turbo cache
3GB DDR2