[MinnowBoard] HDMI screens - error: no suitable video mode found.

[Julian Lunz]

Tried with new HDMI cable - same situation, no output on my monitors.
Are there any ways to check whether the hardware is okay?


On Thu, 7 May 2015 08:04:26 +0200
Julian Lunz <git at jlunz.de> wrote:

> On Wed, 6 May 2015 07:34:37 -0400
> Bill Traynor <btraynor at gmail.com> wrote:
> 
> > I had this error earlier last week.  I swapped out the hdmi cable +
> > micro hdmi adapter I was using for an HDMI cable with an actual
> > micro-hdmi end and the problem went away.  I'm not sure if the error
> > was caused by the adapter I was using or the hdmi cable, but
> > regardless, the purchase of a new cable for $12 solved my problem.
> 
> True, that sounds like the last bit. 
> I'm using a hdmi <-> micro-hdmi cable.
> I'll swap that and let you know, unfortunately I have no other device
> with micro-hdmi connector to test with.
> 
> > 
> > On Wed, May 6, 2015 at 7:08 AM, Julian Lunz <git at jlunz.de> wrote:
> > > Hi,
> > >
> > > I'm having trouble getting HDMI to work.
> > > I tried my setup with three different monitors, but none of them
> > > works.
> > >
> > > I have a Revision A2 board updated to latest Firmware:
> > > MNW2MAX1.X64.0079.R01.1504081555
> > >
> > > I tried Debian 8 and Ubuntu 14.04, both show no output on display,
> > > neither in UEFI nor after Linux has loaded.
> > >
> > > Before handing over to Linux, GRUB displays:
> > >
> > > error: no suitable video mode found.
> > > Booting in blind mode
> > >
> > > I can observe the following in kernel message buffer:
> > >
> > > i915 0000:00:02.0: No connectors reported connected with modes
> > > [drm] Cannot find any crtc or sizes - going 1024x768
> > >
> > > Please find attached the full boot log from shell to system.
> > > (Added "console=tty1 console=ttyS0,115200n8" in GRUB)
> > >
> > > I'm aware of the known issue with missing level shifters mentioned
> > > here: http://www.elinux.org/Minnowboard:MinnowMax#Monitors
> > >
> > > Is the only thing left to try a powered HDMI switch?
> > >
> > > Thanks for your input!
> > >
> > > --
> > > Julian
> > > _______________________________________________
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> > > elinux-MinnowBoard at lists.elinux.org
> > > http://lists.elinux.org/mailman/listinfo/elinux-minnowboard
> > >
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