[olug] Machine randomly powers off
jason.troy at gmail.com
Mon Oct 17 15:45:47 CDT 2016
+1 to the power supply. That's been my cause on several occasions. I don't
even try the other steps anymore.
You might also inspect Mobo for any bulged caps while you are in there.
On Oct 17, 2016 11:50 AM, "Justin Reiners" <justin at hotlinesinc.com> wrote:
> Fwiw I'd replace the power supply, they are cheap.
> On Oct 17, 2016 11:42 AM, "Ben Hollingsworth" <obiwan at jedi.com> wrote:
> > Hey all,
> > I'm seeing some weird problems with my desktop box (Ubuntu 16.04), and
> > not sure what to look for next. It just randomly (as far as I can tell)
> > powers off every so often. It might stay up for a few days, or it might
> > say up for a few minutes. I've witnessed it a couple times when I'm
> > the console, but it usually happens when it's sitting idle. It always
> > powers on & boots just fine when I press the power button.
> > There's no mention of anything in the OS logs. The machine just dies
> > MRTG graphs show nothing unusual related to heat, fan speeds, or
> > voltages. A visual inspection shows all fans spinning.
> > The UPS (which is plenty big & has a new-ish battery) doesn't hint of
> > problems. The BIOS is set to power back on if it shuts down due to a
> > loss, but that doesn't happen, so I don't think it's related to external
> > power. I'm running a Seasonic 700W PS that's been working great for
> > years. I do still have my old desktop box from which I could swap the
> > (smaller) PS, but I haven't tried that yet.
> > It has 4 sticks of RAM (2x4GB, 2x8GB), and I've swapped them out in all
> > combinations, and swapped slots. Memtest runs for hours with no
> > I don't think it's RAM-related.
> > I also still have the mobo/CPU/RAM from my old desktop box (which is
> > significantly slower), but those aren't individually interchangeable
> > the new system. Swapping all 6 of my hard drives between systems is
> > consuming, so I'd like to diagnose further before doing that.
> > Before I go randomly replacing expensive or time consuming parts, where
> > else should I be looking for the cause? This is *really* annoying!
> > --
> > *Ben "Obi-Wan" Hollingsworth* obiwan at jedi.com <mailto:obiwan at jedi.com>
> > www.Jedi.com <http://www.jedi.com>
> > The stuff of earth competes for the allegiance I owe only to the
> > Giver of all good things, so if I stand, let me stand on the
> > promise that You will pull me through. /-- Rich Mullins/
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