Here is how to reflash the eMMC to factory condition.
http://www.elinux.org/Beagleboard:Updating_The_Software
Here is the link to the support Wiki.
http://www.elinux.org/Beagleboard:BeagleBoneBlack
Gerald
On Tue, Mar 4, 2014 at 8:12 PM, wrote:
> Hey folks, first time poster here, having some trouble getting my BBB to
> boot.
>
> Here's the story - I was previously booting fine and connecting to the
> bone with both serial and ssh over the network. Then I installed OctoPrint,
> a 3d printing controller. All was well, then installed mjpg-streamer and
> tested - also working fine. Basically I then powered everything off and
> went home. Now it won't boot - it will blink a little and then the lights
> go out. It won't power on at all until I unplug power and try again, when
> it does the same.
>
> In the mean time I did image LinuxCNC MachineKit onto an SD card, and it
> will boot from that - so I can get into the board, but the onboard boot
> seems hosed. I'm used to working with Arduino, where you just yank th eplug
> when you're done - this seems more sensitive and I guess my lack of orderly
> shutdown (I actually don't even know how to do that yet :-) ) something
> went wrong.
>
> Any suggestions for how to repair the boot? I guess I could reimage it but
> then I don't exactly know how to do that on the eMMC either. Is it
> generally considered a good idea to move away from Angstrom?
>
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