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