On Sun, Nov 30, 2014 at 2:58 PM,  <[email protected]> wrote:
> Hello BBB community:
>
> Since I received my Beaglebone black, I have been wrestling to get it to
> work with any display whatsoever (other than the ones thai do work in Best
> Buy)
>
> I have sent this board into the shop and the hardware is fine, but I just
> can't get it to work with any of the displays I've connected it to, with one
> 7" display in particular.
>
> What do I need to do to get this thing to work?
>
> NOTES:
> -When connecting to most displays, the 'Bone keeps the display awake, but it
> won't actually display anything.
> - my 27" Samsung display worked at first, but now it doesn't, and only
> occasionally flashes the desktop for 1-2 frames.
> -EDID Information of my fav. display from serial console:
>

>         Mode    "1280x800"      # vfreq 59.810Hz, hfreq 49.702kHz
>                 DotClock        83.500000
>                 HTimings        1280 1352 1480 1680
>                 VTimings        800 803 809 831
>                 Flags   "+HSync" "-VSync"
>         EndMode


Force override the edid detection by modifying:

/boot/uEnv.txt

add:

cmdline=video=HDMI-A-1:1280x800@60e

If that file doesn't exist, let me know the output of:

cat /etc/dogtag

Regards,

-- 
Robert Nelson
http://www.rcn-ee.com/

-- 
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