Multiple monitors suddenly fails, why? Post: 302309975

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Operating Systems Linux Ubuntu Multiple monitors suddenly fails, why? Post 302309975 by TheBB on Thursday 23rd of April 2009 10:47:55 AM

04-23-2009

Registered User

Multiple monitors suddenly fails, why?

Ok, so here's the deal. I just get back from a trip to Switzerland - where I held a presentation using my laptop and thus did fiddle with some settings - and I plug my external monitor on my laptop, fiddle the settings back, and it won't work.

I have an nvidia graphics card, so I use nvidia-settings to do this, which has worked fine so far. So I'm trying to get it to work in a TwinView clone setting, but the monitor in question jabbers on about checking the signal cable.

Now strictly speaking that might be the problem, because I fail to get this to work even in Vista and on my TV, but the display is detected, so there is something alive in there somewhere. I also can't get myself to believe that the problem is the monitor... it has served me well for a year and I didn't do anything to it.

Anyway, from what I gather nvidia-settings works by updating xorg.conf, which I've not learned to decode, but someone out there might be able to make heads or tails of this and tell me if it makes sense (attachment).

From there, I'm out of ideas.

Thanks,
BB

Edit: Should say this is on Ubuntu 8.10.

Edit: Tried a different cable and monitor, and it didn't work. I'm beginning to suspect that the VGA slot in my laptop is damaged, because the VGA cable I used in Switzerland (see above) failed to display green, maybe there was a short circuit or something, I dunno... Maybe I should try the HDMI port.

Edit again: Tried that too, same crap. Now I'm officially out of ideas.

xorg.conf (1.8 KB)

Last edited by TheBB; 04-23-2009 at 03:02 PM..

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LEARN ABOUT V7

liebert

LIEBERT(8)							    NUT Manual								LIEBERT(8)

NAME

       liebert - Driver for Liebert contact-closure UPS equipment

NOTE

       This man page only documents the hardware-specific features of the liebert driver. For information about the core driver, see nutupsdrv(8).

SUPPORTED HARDWARE

       This driver supports some Liebert UPS equipment with a contact-closure interface. This includes the UPStation GXT2 with their
       contact-closure cable. The smart mode ("Multilink") cable is not supported by this driver.

EXTRA ARGUMENTS

       This driver does not support any extra settings in the ups.conf(5).

BUGS

       This driver does not yet support shutdowns by raising DTR. Be aware that shutdowns are not possible with the stock contact-closure cable.
       You may have to build another cable with DTR connected through to the UPS for it to work.

       There is no way for this driver to detect the hardware or cable. It will start up successfully even if no UPS is present. This is a
       fundamental limitation of any contact-closure driver.

SEE ALSO

   The core driver:
       nutupsdrv(8)

   Internet resources:
       The NUT (Network UPS Tools) home page: http://www.networkupstools.org/

Network UPS Tools						    05/21/2012								LIEBERT(8)