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