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 <[email protected]> wrote: > This sounds more like the video card, though it could be the video connector > or cable. > > "Richard Harke" <[email protected]> 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 >><[email protected]>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 >>> [email protected] >>> http://lists.lugod.org/mailman/listinfo/vox-tech >>> >>_______________________________________________ >>vox-tech mailing list >>[email protected] >>http://lists.lugod.org/mailman/listinfo/vox-tech > > --------------------------------------------------------------------------- > Jeff Newmiller The ..... ..... Go Live... > DCN:<[email protected]> 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 > [email protected] > http://lists.lugod.org/mailman/listinfo/vox-tech > _______________________________________________ vox-tech mailing list [email protected] http://lists.lugod.org/mailman/listinfo/vox-tech
