The power supply I bought is from AdaFruit, which I expected to be well suited to my BBB.
I haven't yet tried booting from an SD card, so I'll do that this evening. On Thursday, February 26, 2015, Gerald Coley <ger...@beagleboard.org> wrote: > I suggest you switch to a \different power supply. A good one. > > > http://www.elinux.org/Beagleboard:BeagleBoneBlack#Improper_Power_Down....All_Revisions > > Gerald > > > On Wed, Feb 25, 2015 at 7:38 PM, <crawford...@gmail.com > <javascript:_e(%7B%7D,'cvml','crawford...@gmail.com');>> wrote: > >> My Rev C BBB purchased from Adafruit just died on my in the exact same >> way. I can't get it to boot at all whether connected to USB or 5V power >> supply. >> >> >> >> On Wednesday, February 25, 2015 at 2:02:07 PM UTC-5, Mike Traynor wrote: >>> >>> Thx. Will try another PS if I can find one. Otherwise will have to >>> stick with USB for now. M. >>> >>> On Wed, Feb 25, 2015 at 9:07 AM, Gerald Coley <ger...@beagleboard.org> >>> wrote: >>> >>>> I have seen this before. The USB path and 5VDC paths are different >>>> through the PMIC. It is possible that the PMIC has sustained some damage or >>>> it could be the 5VDC power supply is not powering up properly, where it has >>>> a voltage spike, causing the PMIC to shutdown. >>>> >>>> Past performance of power supplies is no guarantee of future >>>> performance. It could be right on the edge. >>>> >>>> Gerald >>>> >>>> On Wed, Feb 25, 2015 at 10:27 AM, <mdtsa...@gmail.com> wrote: >>>> >>>>> Identical problem this morning: BBB boots fine when powered by USB, >>>>> but not when powered by a 2.0 mA rated 5.0 V DC power supply (nicked from >>>>> some other device). BBB power LED blinks continuously. This power supply >>>>> has worked with this BBB in the past. >>>>> >>>>> Mike. >>>>> >>>>> >>>>> On Friday, January 23, 2015 at 8:44:59 PM UTC-8, 1127...@gmail.com >>>>> wrote: >>>>>> >>>>>> I had a similar problem- my power LED would just continue blinking >>>>>> when connected to a 5V power source. This meant there was something >>>>>> wrong. >>>>>> First, I checked if my BBB was still alive. To find that, I connected my >>>>>> board to a computer via USB. Surprisingly, this time power LED turned on >>>>>> normally. Then to make sure that everything was properly, I ran some >>>>>> program as given in the BB website http://beagleboard.org >>>>>> /getting-started. I was happy to see, the programs on the website >>>>>> worked just fine on my board. Thus, I was able to conclude that >>>>>> strangely, >>>>>> my BBB board didn't like 5V external power source! >>>>>> >>>>>> On Friday, November 22, 2013 at 6:41:41 AM UTC-8, Bert Lindner wrote: >>>>>>> >>>>>>> >>>>>>> Just had a 5V powered Beaglebone Black seemingly die on me. First >>>>>>> the power led kept blinking, then after removing the (BB Toys CAN) cape >>>>>>> the >>>>>>> power led would flash just once after applying power. Looking back in >>>>>>> previous threads this seemed to mean I killed the board somehow; there >>>>>>> was >>>>>>> also a GPS module attached to one of the UARTs and a probably power >>>>>>> hungry >>>>>>> USB wlan stick that I'm trying to get to work, so a power hungry setup. >>>>>>> >>>>>>> I was ready to declare it dead, it remained just flashing once after >>>>>>> repeatedly unplugging and reattaching the power supply. >>>>>>> >>>>>>> However I noticed the single power led flash would also happen if I >>>>>>> pressed the power button (leaving the 5V plug in). Doing that repeatedly >>>>>>> seems to have revived the board, will see if new problems occur. For >>>>>>> now it >>>>>>> behaves normally. >>>>>>> >>>>>>> Is this expected behaviour? >>>>>>> >>>>>>> Best, >>>>>>> >>>>>>> -Bert >>>>>>> >>>>>>> -- >>>>> 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...@googlegroups.com. >>>>> For more options, visit https://groups.google.com/d/optout. >>>>> >>>> >>>> >>>> >>>> -- >>>> Gerald >>>> >>>> ger...@beagleboard.org >>>> http://beagleboard.org/ >>>> http://circuitco.com/support/ >>>> >>>> -- >>>> For more options, visit http://beagleboard.org/discuss >>>> --- >>>> You received this message because you are subscribed to a topic in the >>>> Google Groups "BeagleBoard" group. >>>> To unsubscribe from this topic, visit https://groups.google.com/d/ >>>> topic/beagleboard/jBFshjlPeHI/unsubscribe. >>>> To unsubscribe from this group and all its topics, send an email to >>>> beagleboard...@googlegroups.com. >>>> 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 >> <javascript:_e(%7B%7D,'cvml','beagleboard%2bunsubscr...@googlegroups.com');> >> . >> For more options, visit https://groups.google.com/d/optout. >> > > > > -- > Gerald > > ger...@beagleboard.org > <javascript:_e(%7B%7D,'cvml','ger...@beagleboard.org');> > http://beagleboard.org/ > http://circuitco.com/support/ > > -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to a topic in the > Google Groups "BeagleBoard" group. > To unsubscribe from this topic, visit > https://groups.google.com/d/topic/beagleboard/jBFshjlPeHI/unsubscribe. > To unsubscribe from this group and all its topics, send an email to > beagleboard+unsubscr...@googlegroups.com > <javascript:_e(%7B%7D,'cvml','beagleboard%2bunsubscr...@googlegroups.com');> > . > 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. 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