Strange lag and computer restarts on it's own..

Doctor Inferno, what I wrote above is what you wanted? Or want sth else? My friend was on vocation, that's why I couldn't answer...

Regards and waiting for your reply.

Hello,

Download and install this:

http://www.nvidia.com/object/winxp_182.50_whql.html

He is using Windows XP right?

Did it. Yea, Windows xp.

Waiting for your reply.

Does the computer still have problems?

Yea... Still has it without any change... I will add a video shortly to show you...

Waiting for your reply.