"I installed of the kernel 2.6.34 and it did not work for me. Still 
freezing!!!!!!!!!

My freeze scenario is:

After a restart and logon i can work for 1 to 10 minutes, i'm very lucky 
when i get 10 minutes
Everything stop, no mouse, no keyboard. Can't change keyboard lights 
caps lock and num lock. I must do a Hard reboot.

Wired network

it append more often when the computer have a high disk activity."


#560 at
http://ubuntuforums.org/showthread.php?t=1478787&page=56


10 minutes?  Consider yourself fortunate; you could get 20 minutes of 
uptime...