Repairing Ubuntu without loosing data or breaking Windows

[Enrique Becerra]

On Thu, Jan 20, 2011 at 7:04 PM, Lucio M Nicolosi <lmnicolosi at gmail.com> wrote:

> Grub 1 (Legacy) has issues with ext4, not the other way around (Grub2
> supports ext3).

AFAIK I have latest grub. I always kept updated and upgraded since 9.04...

> About freezing, have you run memtest? Linux is not as forgiving as
> Windows on a faulty hardware.

Yes, I run it without problems. Also tried every entry in my grub
list. Time before the freezing, I upgraded kernel because I read it
solved a bug with nvidia drivers, etc. and had been running with this
for some months until one day PC reset and then gdm begun freezing at
startup. I'm also suspecting that the nVidia or some video stuff may
be going bad, because the freeze occurs when gdm shows userlist

PS: any way I can try reinstalling the nvidia driver from my Ubuntu
10.10 by launching LIVECD?

Thanks