make sure once you open terminal type sudo -s then press Enter type password Thenn press Enter then copy paste below:
sudo nvidia-xconfig --add-argb-glx-visuals -d 24 restart computer On Fri, Sep 17, 2010 at 8:51 AM, Jeff Newmiller <jdnew...@dcn.davis.ca.us>wrote: > No, the video card is in the computer, generating the image. If you see the > monitor logo, then the problem is likely that no usable signal is arriving > at the monitor. > > "Thomas Johnston" <trjohns...@ucdavis.edu> wrote: > > >Thanks Richard and Jeff. Just to make sure I understand, you think the > >video card inside the external monitor has failed? > > > > > > > > > > > >On Fri, Sep 17, 2010 at 7:27 AM, Jeff Newmiller > ><jdnew...@dcn.davis.ca.us> wrote: > >> This sounds more like the video card, though it could be the video > connector or cable. > >> > >> "Richard Harke" <paleopeng...@gmail.com> wrote: > >> > >>>In recent years I have noticed that video cards die distressingly soon. > >>>Often with > >>>strange symptoms that make it appear to be something more basic. I do > have > >>>to admit > >>>that the most recen time (about two weeks ago) it was in fact the > monitor. > >>>That was an > >>>HP 22" LCD monitor only 5 years old. My previous monitor was a Sony CRT > that > >>>went back > >>>to the early 90's. > >>> > >>>I can only suugest that you try swapping out starting with whatever you > can > >>>do cheaply. > >>>Especially if you can borrow a component for testing. > >>> > >>>I do have an extra video card but I'm not in Davis so you'd have to wait > >>>till > >>>the regular Lugod meeting. > >>> > >>>Richard > >>> > >>> > >>>On Thu, Sep 16, 2010 at 5:13 PM, Thomas Johnston < > trjohns...@ucdavis.edu>wrote: > >>> > >>>> I am running Kubuntu 10.04 (64 bit) on my Dell Vostro 1500 and using > >>>> an Acer AL2216W as a second monitor. Everything was working great > >>>> until last Monday morning. I powered up the computer, activated the > >>>> external monitor and the max resolution was 1280x1024 (the native > >>>> resolution is 1680x1050 - same as my laptop display). I didn't do > >>>> anything to modify any video settings so I don't know exactly what > >>>> prompted the change; however, there were about 10 "bug fixes" the day > >>>> before. Looking at the history of fixes I don't see anything that > >>>> looks likely to cause a problem, but I am certainly not a Linux > >>>> expert. > >>>> > >>>> Anyway, I have spent the last 4 days doing everything I can to make it > >>>> work again: updated drivers, uninstalled/reinstalled drivers, deleting > >>>> the xorg.conf file and having one auto generated, manually editing the > >>>> xorg.conf .... nothing has worked. In fact, the situation is now > >>>> worse. I can't even get the monitor to display anything anymore - just > >>>> a black screen. I think the monitor itself is fine, if I turn it on I > >>>> see the "ACER" logo appear, then I briefly see a dialog box that says > >>>> "no signal", and then it goes blank. I don't have a great > >>>> understanding of the xorg.conf file, but I was very careful when > >>>> editing it. I read all of the NVIDIA documentation online and I found > >>>> examples of xorg.conf files online from people with this same monitor > >>>> who claimed to have it working, so I don't think I used a refresh/sync > >>>> rate beyond what the monitor is capable of (I didn't smell any > >>>> smoke!). My Google searches have indicated that many people have had > >>>> problems reading EDID data from this monitor. I have even plugged it > >>>> into a Windows machine with an ATI graphics card and same > >>>> thing...blank screen. > >>>> > >>>> I checked the /var/log/Xorg.0.log file and I see this warning: > >>>> (WW) Sep 16 15:07:43 NVIDIA(GPU-0): Unable to read EDID for display > device > >>>> CRT-0 > >>>> > >>>> there are no errors (EE) generated. > >>>> > >>>> Other system details in case it is relevant: > >>>> The monitor is connected to my graphics card via the VGA port (my > >>>> laptop doesn't have any other display ports; however the monitor does > >>>> have a DVI-D connection) > >>>> NVIDIA Driver Version: 256.53 > >>>> Server Version: 1.7.6 > >>>> NV-CONTROL Version: 1.23 > >>>> Graphics Card: GeForce 8600M GT > >>>> > >>>> > >>>> My question is: do you think the monitor is toast or would work again > >>>> if I could get a working EDID.bin and/or xorg.conf file (perhaps from > >>>> kind soul on the interwebs)? > >>>> > >>>> > >>>> thanks in advance, > >>>> > >>>> Thomas > >>>> _______________________________________________ > >>>> vox-tech mailing list > >>>> vox-tech@lists.lugod.org > >>>> http://lists.lugod.org/mailman/listinfo/vox-tech > >>>> > >>>_______________________________________________ > >>>vox-tech mailing list > >>>vox-tech@lists.lugod.org > >>>http://lists.lugod.org/mailman/listinfo/vox-tech > >> > >> > --------------------------------------------------------------------------- > >> Jeff Newmiller The ..... ..... Go > Live... > >> DCN:<jdnew...@dcn.davis.ca.us> Basics: ##.#. ##.#. Live > Go... > >> Live: OO#.. Dead: OO#.. Playing > >> Research Engineer (Solar/Batteries O.O#. #.O#. with > >> /Software/Embedded Controllers) .OO#. .OO#. > rocks...1k > >> > --------------------------------------------------------------------------- > >> Sent from my phone. Please excuse my brevity. > >> _______________________________________________ > >> vox-tech mailing list > >> vox-tech@lists.lugod.org > >> http://lists.lugod.org/mailman/listinfo/vox-tech > >> > >_______________________________________________ > >vox-tech mailing list > >vox-tech@lists.lugod.org > >http://lists.lugod.org/mailman/listinfo/vox-tech > > --------------------------------------------------------------------------- > Jeff Newmiller The ..... ..... Go Live... > DCN:<jdnew...@dcn.davis.ca.us> Basics: ##.#. ##.#. Live > Go... > Live: OO#.. Dead: OO#.. Playing > Research Engineer (Solar/Batteries O.O#. #.O#. with > /Software/Embedded Controllers) .OO#. .OO#. rocks...1k > --------------------------------------------------------------------------- > Sent from my phone. Please excuse my brevity. > _______________________________________________ > vox-tech mailing list > vox-tech@lists.lugod.org > http://lists.lugod.org/mailman/listinfo/vox-tech >
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