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Old 04-19-04, 02:42 PM   #1
griesbac
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Default Second twinview display blank with Quadro FX 1000

I'm trying to setup a dual flat panel display on Linux kernel 2.6.4 and nvidia driver 1.0-5336 for a Dual Pentium IV workstation.

I've gotten X to work great with a single flat panel display. However, when I try to use twinview to display on both displays, the X server seems to work (I can scroll my mouse off the screen), but the second display is blank. It's like it's not even getting a signal. Both flat panel displays are identical Dell FP2001 displays and are connected via DVI cables to the Quadro FX 1000 video card.

I've included my XF86Config-4 file and X output for reference. Any help would be greatly appreciated.

Thanks much,

Jake
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File Type: txt XFree86.log.txt (37.7 KB, 175 views)
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Old 04-20-04, 05:40 AM   #2
rednuht
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Default Re: Second twinview display blank with Quadro FX 1000

when the machine is in POST or entering the BIOS or just loading the kernel you should see the display mirrored on both screens.
If that works try swapping monitors.
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Old 04-20-04, 10:13 AM   #3
griesbac
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Default Re: Second twinview display blank with Quadro FX 1000

Quote:
Originally Posted by rednuht
when the machine is in POST or entering the BIOS or just loading the kernel you should see the display mirrored on both screens.
If that works try swapping monitors.
Thanks. I tried rebooting and carefully watching the second display, but it never showed any sign of life. I know the display works though. It has multiple (selectable) inputs and I've successfully used the VGA input with another computer.
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Old 04-20-04, 02:36 PM   #4
griesbac
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Default Re: Second twinview display blank with Quadro FX 1000

With your comment I was motivated to experiment with the monitors and cables. I've come to the conclusion that I have a bad DVI-port on my second flat panel. The software and card was probably working correctly all along...
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Old 05-13-04, 01:13 PM   #5
areiners
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Default Re: Second twinview display blank with Quadro FX 1000

Hi,
seems that I might have the same problem some weeks later on.
Did you solve your problem? I don't think my connections are bad.

regards
Ansgar
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Old 05-13-04, 02:18 PM   #6
griesbac
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Default Re: Second twinview display blank with Quadro FX 1000

I was able to fix the problem, but it was a faulty flat panel and had nothing to do with the software or video card.

I was surprised to find this out, but I verified this was the issue by swapping monitors out.

Good luck!
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