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Forum Beaglebone Black Rev C screens shuts off
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  • rev c
  • beagle bone black
Related

Beaglebone Black Rev C screens shuts off

ruanknoetze
ruanknoetze over 8 years ago

I recently bought a new Beaglebone Black rev C and started playing around with it by using a standalone setup with HDMI, keyboard and mouse. After a few minutes the screens completely shuts off and does not want to start up again. I thought it might be a OS issue and re flashed my eMMC with an Angstom distribution. After start up it did the exact same thing. I even added code that disables the auto sleep mode of the screen but that does not work.

 

I know the BBB is getting input from my mouse and keyboard because one of the LEDs flashes when I type or click.

 

Has anyone ever experienced this and what can you recommend I do?

 

Thank you

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  • Former Member
    Former Member over 8 years ago +2
    could it be a power issue? If the screen goes off when a usb hub, mouse and keyboard are plugged in its a possibility.
  • ruanknoetze
    ruanknoetze over 8 years ago +2 suggested
    Hi All I have flashed Debian 8.6 to another REVC and so far the screen has not turned off. I am also using a more stable power supply. So maybe it is a Angstom problem or a power supply problem. I will…
  • kleykenb
    kleykenb over 8 years ago +2
    Definately sounds like a power related issue. In my setup I've found that powering the BeagleBone via the microUSB port limits current to 500mA (which is the USB standard but not followed by everyone)…
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  • ruanknoetze
    0 ruanknoetze over 8 years ago

    Hi All

     

    I have flashed Debian 8.6 to another REVC and so far the screen has not turned off. I am also using a more stable power supply. So maybe it is a Angstom problem or a power supply problem. I will monitor both of them to see what they do. Thank you for all the advice.

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  • ruanknoetze
    0 ruanknoetze over 8 years ago

    Hi All

     

    I have flashed Debian 8.6 to another REVC and so far the screen has not turned off. I am also using a more stable power supply. So maybe it is a Angstom problem or a power supply problem. I will monitor both of them to see what they do. Thank you for all the advice.

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  • volly
    0 volly over 8 years ago in reply to ruanknoetze

    ruanknoetze,

     

    I have been exposed to quite a few of these bbb. It is very inconsistent with whatever combination of software/hardware you hook up to them.

    But one thing is for sure....

     

    Make sure that you have a very good stable power supply and a very good HDMI cable and display.

    This is not a hard and fast rule....but 9 out of 10 times this is what solved my issues.

     

    With all those Known issues, I have yet to return a single bbb, whether it be REV B or REV C.....they just work.....

     

    There are a few of them in production environment that has been up and running for more than a year without shutting down not even the occasional reboot...

     

    They just work....

     

    Very good and robust equipment....

     

    Yunus

     

    South Africa

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