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Old 10-05-2008, 05:28 AM   #1
Registered: Jan 2004
Location: Denmark
Distribution: Fedora Core 6
Posts: 224

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tv-out breaks when X starts

I've got a new Nvidia 8500 GT. I'm using it for tv-out, and it works fine until X starts. Then the tv gets all blue, like if there was no computer connected.

It doesn't seam like the software notices. When I do twinview with a crt, and use the proprietary nvidia drivers, nvidia-settings even finds the tv-0 and let me configure its resolution.
However, when I do twinview, I don't see anything on the tv at all. Not even during boot.
Old 10-26-2008, 02:44 AM   #2
Registered: Jan 2003
Location: EU (UK)
Distribution: Ubuntu 14.x, Raspbian, Kali
Posts: 226

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Did you have your external monitor connected to your PC when you configured your X server?

Can you post your /etc/X11/xorg.conf? There are a number of entries that need to be present that we can check.

Also there are some options to switch twinview after your X server has started but it would be best to check your .conf first.
Old 10-31-2008, 06:23 AM   #3
Registered: Jul 2003
Posts: 363

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October 31,2008

It sounds like you did not configure X to work with the external monitor correctly.

You need to connect the external monitor, and run the X configuration utility program for your distribution.

Should the X configuration program fail to identify your external display, then you can manually configure the display settings. But you *MUST* lookup the monitor's characteristics (ie. maximum refresh rate, etc) and *NOT* exceed the monitor's capabilities. Exceeding the monitor's capabilities may permanently damage your monitor.

Once the X config files have been updated, then start X to test.

Hope that helps.



Last edited by cgtueno; 10-31-2008 at 06:29 AM. Reason: typos
Old 10-31-2008, 10:46 AM   #4
Registered: Jan 2004
Location: Denmark
Distribution: Fedora Core 6
Posts: 224

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Thumbs up

Heh, I added
    Option      "TVStandard" "PAL-B"
    Option      "TVOutFormat" "SVIDEO"
    Option      "ConnectedMonitor" "TV"
to my Section "Device" and it worker :P
I'm sorry I didn't try before posting, but I didn't think it was nessesary when the system, during boot, seamed to recognize the TV just fine.

Thanks a lot for your time.


nvidia, tv, tvout, twinview

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