On Thu, Dec 18, 2014 at 11:59 AM, King Beowulf <kingbeow...@gmail.com> wrote: > > On 12/18/2014 10:01 AM, Denis Heidtmann wrote: > > Twice now I have observed after shutting down my desktop the machine > > appears to shut down (light off, fan stopped), yet the 'Num' light on the > > keyboard is on and the mouse light is still on. The first time this > > happened I started the machine in the usual way, and I believe it behaved > > normally. The second time this happened I interrupted power to the box. > > When the power was restored the lights remained off. > > > > I am assuming that this observation indicates the USB power remained on > > after shutdown. If it happens again I will check the USB power. > > > > Any comments on this observation, and possible explanations? > > > > Thanks, > > -Denis > > Is there possibly a BIOS setting that keeps USB power on for external > devices or changing, such as on some laptops? If this is intermittent, > there may be a motherboard problem (leaky caps?) or power supply issue > on the 5V rail. > > > -Ed >
It is intermittent, as I have seen it only twice after daily shutdowns. The PS is only 3 months old. The MB is 5 1/2 years old, so it could be a warning of disasters yet to come. -Denis _______________________________________________ PLUG mailing list PLUG@lists.pdxlinux.org http://lists.pdxlinux.org/mailman/listinfo/plug