You actually have that option in your BIOS?

R. McCarty wrote:
> Use your BIOS setup category called hardware monitoring to
> display the voltage rails of your PC. Most times you can see
> problems ( or pending ) if the values are close the +/- tolerances.
>
> Whenever you turn on a device it experiences a "InRush Current"
> which is a momentary spike. If your supply is marginal that spike
> may have caused the PS to abruptly shut down. Usually a rated
> voltage can have a +/-5% range in a PC.
>
> "Clayton" <claytonbNOSPAM@xtra.co.nz> wrote in message
> news:uRw%2315SkIHA.3940@TK2MSFTNGP05.phx.gbl...
>> sorry, I should have mentioned, it has happenned 3 other times over the
>> last 6 months
>>
>>
>> "PD43" <pauld1943@comcast.net> wrote in message
>> news:3isqu3tmmvopcbjm8rft8u4esamjgqc32o@4ax.com...
>>> "Clayton" <claytonbNOSPAM@xtra.co.nz> wrote:
>>>
>>>> I am having problems with a computer, this morning I turned on the
>>>> computer
>>>> and once at the login screen as I am logging on the computer switches
>>>> off, I have restarted again and it is fine, PSU problem?
>>>
>>> Wait to see if the problem continues.
>>>
>>> One instance isn't worth worrying about.