[mythtv-users] Complication(s) with display upgrade - need help
Craig Huff
huffcslists at gmail.com
Sun Mar 18 20:38:43 UTC 2018
On Sun, Mar 18, 2018 at 3:29 PM, Craig Huff <huffcslists at gmail.com> wrote:
> I have an FE running Ubuntu 14.04 and MythBuntu that was connected to a
> CRT TV using composite video from the built-in Nvidia 1650 display
> controller, but the CRT finally died. (Yay?)
>
> I replaced the TV with a new, modern LED 4K HDR display (yeah, one extreme
> to another), but I'm having problems.
>
>
> - First: The FE is now connected via a DVI to HDMI adapter to HDMI on
> the new TV.
> - The BIOS splash screen and the Ubuntu 14.04 boot screens display
> successfully on boot up.
> - Then I get a blinking cursor in the top left corner of the
> display,
> - Eventually the TV puts up a display about the signal resolution
> is incompatible and I need to change it before the TV will display the FE's
> output.
> - If I swap the TV for an LED Computer monitor (27" Acer) with the
> input still via HDMI, I get a successful display of the MythTV main menu
> page at the end of the boot up process with a resolution of maybe 1920 x
> 1080.
> - I opened the Nvidia settings application and tried saving that
> configuration (I think it got written to /etc/X11/xorg.conf) and re-trying
> to display on the TV, but no joy.
> - Any advice on how to get this working would be greatly
> appreciated.
>
>
> - Second: Since I'm already here, hat in hand, I might as well
> anticipate the next problem.
> - If I understood the data about the DVI to HDMI adapter cable
> correctly, it won't supply audio to the TV, but there's no separate Audio
> In connection to the TV, only Audio Out.
> - Is there a way to get the audio fed into the HDMI cable like
> "normal" devices do -- maybe an audio / video Y-adapter for HDMI?
> - Less likely alternative audio input paths include:
> - A TOS link from the PC to the TV, but the one on the TV is
> labeled "Out", not "In", and even if that would work, the question becomes
> how to associate that audio with the correct video input?
> - USB ports, but with a PC and a TV, who'd be the "master" and
> who the "client"?
> - Maybe I started with the wrong approach? This
> <https://www.amazon.com/dp/B01FXDW2ZY/ref=sspa_dk_detail_2?psc=1>
> looks like it would be a solution, but I'm wondering if it will work
> properly for use with MythTV video -- especially on my current Ubuntu 14.04
> / MythTV v0.27.6?
>
> TIA,
>
> Craig.
>
Update: The FE does *not* currently have USB 3.0, but it has spare *PCI*
slots (not PCI-e!). Maybe I could find a PCI to USB 3.0 adapter? Or
should I be looking for a different alternative? Seems that PCI video
adapters with HDMI are as rare as hen's teeth, and maybe more expensive
than their weight in gold.
--
Craig.
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