Sounds like the board has been damaged and needs to be repaired. Gerald
On Sun, Jul 12, 2015 at 9:37 PM, <j...@b-wells.us> wrote: > I gather the BBB can be powered either by USB or by 5VDC, but not both. > > So I don't understand. My BBB does not power up at all with 5VDC > connected. As soon as I connect USB, however, it boots right up. > > Meanwhile, I have a cape (CBB-Relay) that requires 5VDC. It doesn't work > unless I then connect both USB and 5VDC. > > As I've read more than once, it can be powered either by USB or by 5VDC. > > But what am I supposed to do when I need to power it by 5VDC to get the > cape working, /and/ I want to be able to use the USB connection for > development? > > If I've fried my BBB while trying to figure this out, why would it work at > all with both 5VDC and USB connected (realizing that it can be powered > either by USB or by 5VDC, but not both)? It works just fine, and in fact > the only way it works, is if I connect both 5VDC and USB. > > What am I missing? > > -- > 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. > For more options, visit https://groups.google.com/d/optout. > -- Gerald ger...@beagleboard.org http://beagleboard.org/ -- 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. For more options, visit https://groups.google.com/d/optout.
