unexpected shutdown

[Colin Law]

On 1 September 2013 23:16, Ric Moore <wayward4now at gmail.com> wrote:
> On 09/01/2013 04:43 PM, thufir wrote:
>>
>> On Sun, 01 Sep 2013 21:08:47 +0100, Colin Law wrote:
>>
>>
>>> Run memtest for as long as you can.  If it shows any problems, or if the
>>> machine shuts down then you have a hardware problem, possibly an
>>> overheating problem.
>>
>>
>> Ok, I'll try that later. I think it's a bad USB port.
>>
>> Just a few minutes ago I plugged in a USB cable, *nothing* attached to
>> the cable, and the pc just shutdown -- boom.
>>
>> Thanks for the quick response.
>
>
> I'm getting a similar problem where the machine just shuts down, then
> complains of an IRQ issue, at times, during boot. Heh, I thought DOS was
> dead. :) Ric

In my experience if a machine just shuts down with nothing in the logs
immediately prior to the shutdown then there is a hardware problem of
some sort (by which I mean not software).  Often it is the PSU (power
supply) that has a fault.

Colin