Time to grab a volt ohm meter and do some troubleshooting.
On 7/14/2016 10:31 AM, scma...@gmail.com wrote: > hello everybody from a newbie, > > well, happily, my beaglebone white works just fine when connected to > my pc via usb. The power led is on and everything is fine, therefore > i suppose that my bb board is still functional. > The case is though that i am going to need to provide external power > supply because i intend to connect my bb (through it's header pins) > with an external circuit and thus power from usb is not enough. While > trying to do so i face a power problem (i guess). > Let me explain you in short what's going on. As i said before the > board is working fine when powered from usb (and thus my pc). The > problem is when i power it from external power supply. > In specific when i supply 5V through a power supply the result is that > the power led doesn't turn on and the board is not functional. > > So, do you have any suggestions about what is wrong? Let me emphasize > that in the past my bb was working just fine when powered from ac. > > Thanks for any help in advance! > -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to the Google > Groups "BeagleBoard" group. > To unsubscribe from this group and stop receiving emails from it, send > an email to beagleboard+unsubscr...@googlegroups.com > <mailto:beagleboard+unsubscr...@googlegroups.com>. > To view this discussion on the web visit > https://groups.google.com/d/msgid/beagleboard/3ad1b46b-4a15-4338-844f-ef688da62c85%40googlegroups.com > <https://groups.google.com/d/msgid/beagleboard/3ad1b46b-4a15-4338-844f-ef688da62c85%40googlegroups.com?utm_medium=email&utm_source=footer>. > For more options, visit https://groups.google.com/d/optout. -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to beagleboard+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/c788d4f2-e0ff-642e-31c6-eead28e56d85%40gmail.com. For more options, visit https://groups.google.com/d/optout.
