[PLUG] computer freeze forcing manual reset and reboot question

[Ken Stephens]

logical american wrote:
> Hello:
>
> I am looking for pointers on how to troubleshoot a thorny problem. This
> afternoon at 4:30 pm, my openSuse
> Leap 42.2 Linux OS froze up the keyboard, the mouse and left a black
> screen.  I tried some of the emergency
> keyboard buttons, but they did not respond either.  I had to finally
> manual reboot the system by pressing the reset switch.
>
> The monitor detected no input from the graphics card at all, I noticed
> while pushing keyboard buttons and turning the
> monitor off and on.
>
> I believe that the system was running normally and I only have 4 gigs of
> memory loaded in 12 gig memory space, as
> the running leds for normal operation were lit.
>
> After the manual reset, I went to the /var/log area, but it was clean,
> as if everything was normal.
>
> How does one troubleshoot a problem like this? I am not even sure of
> where to start?
>
> Thanks for the assist.
>
> Randall
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Randall,

Did you unplug and plug your keyboard back in to your USB.  I have had a few keyboard dropouts without 
any explanations.  The system would appear to be frozen because the keyboard had been dropped from USB.

Ken