problem: system freezes.

[linuxnutster at videotron.ca]

On 09/09/2013 04:15 PM, William Mattison wrote:
> Good afternoon,
>
> This is Fedora-19 on a 64 bit quad-core i7; with an Nvidia GEFORCE GTX
> 660.  I most recently updated Fedora last Wednesday, Sept. 04.
>
> At least once each day, the system just locks up with no advanced
> warning or symptoms.  It just stops responding to the trackball and
> keystrokes.  The display simply stops changing.  The only things I can
> do is a hard reset or cut off the power.  I am not aware of any pattern
> to what I'm doing when such a freeze-up happens.  Once it happened after
> logging in and simply launching a terminal window; another time I was
> doing a "more" on a test file; another time I was reading e-mail through
> Firefox; another time I was listening to a CD; another time I was
> preparing to burn an audio CD.  No error messages show up on the screen.
>
> This problem has been occurring for a few weeks now, and was occurring
> when I had Fedora-18 also.  I just now think I have the time to try to
> handle it.  (I'm guessing this will take some doing!)
>
> I'm just a home user.  I have no sys. admin. training or experience.
> How do I diagnose and fix this?
>
> Thank-you in advance for your help.
> Bill.
>
>
>


I'd start by going here:

http://www.ultimatebootcd.com/

Burn it to CD/DVD, set your bios to boot up on  CD/DVD. Go to the memory 
section and run the highest version of memtest86+ to check your memory. 
The last time I had freezes like that in Linux, I'd blow a couple of 
memory bars.