[vox-tech] Acer AL2216W (blank screen)

Fri Sep 17 08:57:31 PDT 2010

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 <jdnewmil at 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" <trjohnston at 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
> ><jdnewmil at dcn.davis.ca.us> wrote:
> >> This sounds more like the video card, though it could be the video
> connector or cable.
> >>
> >> "Richard Harke" <paleopenguin at 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 <
> trjohnston at 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 at lists.lugod.org
> >>>> http://lists.lugod.org/mailman/listinfo/vox-tech
> >>>>
> >>>_______________________________________________
> >>>vox-tech mailing list
> >>>vox-tech at lists.lugod.org
> >>>http://lists.lugod.org/mailman/listinfo/vox-tech
> >>
> >>
> ---------------------------------------------------------------------------
> >> Jeff Newmiller                        The     .....       .....  Go
> Live...
> >> DCN:<jdnewmil at 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 at lists.lugod.org
> >> http://lists.lugod.org/mailman/listinfo/vox-tech
> >>
> >_______________________________________________
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> >vox-tech at lists.lugod.org
> >http://lists.lugod.org/mailman/listinfo/vox-tech
>
> ---------------------------------------------------------------------------
> Jeff Newmiller                        The     .....       .....  Go Live...
> DCN:<jdnewmil at 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 at lists.lugod.org
> http://lists.lugod.org/mailman/listinfo/vox-tech
>
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