make sure once you open terminal type sudo -s<br>
then press Enter<br>
type password<br>
Thenn press Enter<br>
then copy paste below:<br>
<div class="im"><br>
sudo <span class="il">nvidia</span>-xconfig --add-argb-glx-visuals -d 24<br>
<br>
</div>restart computer<br><br><div class="gmail_quote">On Fri, Sep 17, 2010 at 8:51 AM, Jeff Newmiller <span dir="ltr"><<a href="mailto:jdnewmil@dcn.davis.ca.us">jdnewmil@dcn.davis.ca.us</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
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.<br>
<div><div></div><div class="h5"><br>
"Thomas Johnston" <<a href="mailto:trjohnston@ucdavis.edu">trjohnston@ucdavis.edu</a>> wrote:<br>
<br>
>Thanks Richard and Jeff. Just to make sure I understand, you think the<br>
>video card inside the external monitor has failed?<br>
><br>
><br>
><br>
><br>
><br>
>On Fri, Sep 17, 2010 at 7:27 AM, Jeff Newmiller<br>
><<a href="mailto:jdnewmil@dcn.davis.ca.us">jdnewmil@dcn.davis.ca.us</a>> wrote:<br>
>> This sounds more like the video card, though it could be the video connector or cable.<br>
>><br>
>> "Richard Harke" <<a href="mailto:paleopenguin@gmail.com">paleopenguin@gmail.com</a>> wrote:<br>
>><br>
>>>In recent years I have noticed that video cards die distressingly soon.<br>
>>>Often with<br>
>>>strange symptoms that make it appear to be something more basic. I do have<br>
>>>to admit<br>
>>>that the most recen time (about two weeks ago) it was in fact the monitor.<br>
>>>That was an<br>
>>>HP 22" LCD monitor only 5 years old. My previous monitor was a Sony CRT that<br>
>>>went back<br>
>>>to the early 90's.<br>
>>><br>
>>>I can only suugest that you try swapping out starting with whatever you can<br>
>>>do cheaply.<br>
>>>Especially if you can borrow a component for testing.<br>
>>><br>
>>>I do have an extra video card but I'm not in Davis so you'd have to wait<br>
>>>till<br>
>>>the regular Lugod meeting.<br>
>>><br>
>>>Richard<br>
>>><br>
>>><br>
>>>On Thu, Sep 16, 2010 at 5:13 PM, Thomas Johnston <<a href="mailto:trjohnston@ucdavis.edu">trjohnston@ucdavis.edu</a>>wrote:<br>
>>><br>
>>>> I am running Kubuntu 10.04 (64 bit) on my Dell Vostro 1500 and using<br>
>>>> an Acer AL2216W as a second monitor. Everything was working great<br>
>>>> until last Monday morning. I powered up the computer, activated the<br>
>>>> external monitor and the max resolution was 1280x1024 (the native<br>
>>>> resolution is 1680x1050 - same as my laptop display). I didn't do<br>
>>>> anything to modify any video settings so I don't know exactly what<br>
>>>> prompted the change; however, there were about 10 "bug fixes" the day<br>
>>>> before. Looking at the history of fixes I don't see anything that<br>
>>>> looks likely to cause a problem, but I am certainly not a Linux<br>
>>>> expert.<br>
>>>><br>
>>>> Anyway, I have spent the last 4 days doing everything I can to make it<br>
>>>> work again: updated drivers, uninstalled/reinstalled drivers, deleting<br>
>>>> the xorg.conf file and having one auto generated, manually editing the<br>
>>>> xorg.conf .... nothing has worked. In fact, the situation is now<br>
>>>> worse. I can't even get the monitor to display anything anymore - just<br>
>>>> a black screen. I think the monitor itself is fine, if I turn it on I<br>
>>>> see the "ACER" logo appear, then I briefly see a dialog box that says<br>
>>>> "no signal", and then it goes blank. I don't have a great<br>
>>>> understanding of the xorg.conf file, but I was very careful when<br>
>>>> editing it. I read all of the NVIDIA documentation online and I found<br>
>>>> examples of xorg.conf files online from people with this same monitor<br>
>>>> who claimed to have it working, so I don't think I used a refresh/sync<br>
>>>> rate beyond what the monitor is capable of (I didn't smell any<br>
>>>> smoke!). My Google searches have indicated that many people have had<br>
>>>> problems reading EDID data from this monitor. I have even plugged it<br>
>>>> into a Windows machine with an ATI graphics card and same<br>
>>>> thing...blank screen.<br>
>>>><br>
>>>> I checked the /var/log/Xorg.0.log file and I see this warning:<br>
>>>> (WW) Sep 16 15:07:43 NVIDIA(GPU-0): Unable to read EDID for display device<br>
>>>> CRT-0<br>
>>>><br>
>>>> there are no errors (EE) generated.<br>
>>>><br>
>>>> Other system details in case it is relevant:<br>
>>>> The monitor is connected to my graphics card via the VGA port (my<br>
>>>> laptop doesn't have any other display ports; however the monitor does<br>
>>>> have a DVI-D connection)<br>
>>>> NVIDIA Driver Version: 256.53<br>
>>>> Server Version: 1.7.6<br>
>>>> NV-CONTROL Version: 1.23<br>
>>>> Graphics Card: GeForce 8600M GT<br>
>>>><br>
>>>><br>
>>>> My question is: do you think the monitor is toast or would work again<br>
>>>> if I could get a working EDID.bin and/or xorg.conf file (perhaps from<br>
>>>> kind soul on the interwebs)?<br>
>>>><br>
>>>><br>
>>>> thanks in advance,<br>
>>>><br>
>>>> Thomas<br>
>>>> _______________________________________________<br>
>>>> vox-tech mailing list<br>
>>>> <a href="mailto:vox-tech@lists.lugod.org">vox-tech@lists.lugod.org</a><br>
>>>> <a href="http://lists.lugod.org/mailman/listinfo/vox-tech" target="_blank">http://lists.lugod.org/mailman/listinfo/vox-tech</a><br>
>>>><br>
>>>_______________________________________________<br>
>>>vox-tech mailing list<br>
>>><a href="mailto:vox-tech@lists.lugod.org">vox-tech@lists.lugod.org</a><br>
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>><br>
>> ---------------------------------------------------------------------------<br>
>> Jeff Newmiller The ..... ..... Go Live...<br>
>> DCN:<<a href="mailto:jdnewmil@dcn.davis.ca.us">jdnewmil@dcn.davis.ca.us</a>> Basics: ##.#. ##.#. Live Go...<br>
>> Live: OO#.. Dead: OO#.. Playing<br>
>> Research Engineer (Solar/Batteries O.O#. #.O#. with<br>
>> /Software/Embedded Controllers) .OO#. .OO#. rocks...1k<br>
>> ---------------------------------------------------------------------------<br>
>> Sent from my phone. Please excuse my brevity.<br>
>> _______________________________________________<br>
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>> <a href="mailto:vox-tech@lists.lugod.org">vox-tech@lists.lugod.org</a><br>
>> <a href="http://lists.lugod.org/mailman/listinfo/vox-tech" target="_blank">http://lists.lugod.org/mailman/listinfo/vox-tech</a><br>
>><br>
>_______________________________________________<br>
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><a href="mailto:vox-tech@lists.lugod.org">vox-tech@lists.lugod.org</a><br>
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<br>
---------------------------------------------------------------------------<br>
Jeff Newmiller The ..... ..... Go Live...<br>
DCN:<<a href="mailto:jdnewmil@dcn.davis.ca.us">jdnewmil@dcn.davis.ca.us</a>> Basics: ##.#. ##.#. Live Go...<br>
Live: OO#.. Dead: OO#.. Playing<br>
Research Engineer (Solar/Batteries O.O#. #.O#. with<br>
/Software/Embedded Controllers) .OO#. .OO#. rocks...1k<br>
---------------------------------------------------------------------------<br>
Sent from my phone. Please excuse my brevity.<br>
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</div></div></blockquote></div><br>