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 _______________________________________________ PLUG mailing list [email protected] http://lists.pdxlinux.org/mailman/listinfo/plug
