[mythtv-users] Nvidia with DVI-to-HDMI blank screen during boot

Krzysztof Adamski k at adamski.org
Sat Jul 18 14:12:10 UTC 2009


On Fri, 2009-07-17 at 21:45 -0700, Paul Bender wrote:
> Krzysztof Adamski wrote:
> > On Fri, 2009-07-17 at 16:16 -0400, zablal baz wrote:
> >> Hey All,
> >>
> >> This is more of an annoyance for me then anything else, but I would
> >> love to know if anyone knows how to fix it. I have a GeForce FX 5200
> >> video card that is connected to my 47" LCD TV via a DVI to HDMI
> >> converter cable. Whenever I boot the system, I have to wait for X to
> >> start before anything appears on the display. I don't get to see any
> >> boot time messages and that kind of annoys me. I've seen this
> >> behaviour in F8, F10, and F11.
> >>
> >> Does anyone know if there are some kernel parameters or something that
> >> can be done to get the boot time messages up on the display during
> >> boot? Or am I just stuck waiting for the nvidia driver to load and
> >> initialize hardware?
> > 
> > I have the same card connected the same way as you to a DLP Samsung and
> > it displays the boot up just fine. It is probably your TV that does not
> > want to display anything except hi res. The only difference is that I
> > use Debian, but that does not matter since BIOS POST is visible.
> 
> I am not sure that it is television related.
> 
> I have a motherboard with integrated nvidia 8200 graphics. Initially, it 
> displayed BIOS and console via DVI on my television. However, at some 
> point (apparently I did something via software, but I do not know what), 
> it stopped displaying BIOS and console via DVI on the same television. 
> In both cases, the display worked after Xorg started. Therefore, the 
> hardware went from working to not working on the same television.
> 
> I have thought that at some point I would boot the system using Windows 
> in order to see whether or not the Windows drivers/software might fix 
> the problem. However, since it continues to work via the HDMI interface, 
>   it has not been a high priority.

Maybe there is something in the BIOS about which connector should be
used for output during POST.

K



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