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| Best way to reconfigure X after monitor replacement? http://forums.linhes.org/viewtopic.php?f=5&t=5195 |
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| Author: | shplad [ Tue Jul 05, 2005 12:02 pm ] |
| Post subject: | Best way to reconfigure X after monitor replacement? |
Hi all: Well, I couldn't figure out why the picture on my monitor didn't seem right. Then I realized I'd swapped out my 15" monitor for a 17" monitor. A propos of that, what's the best way to tell X that you've replaced your monitor with a diff. one- Should I re-run xf86config to get new DDC probings ??? I tried that just now, and replaced the "nv" with "nvidia", but X gave me a "No screens found" error. This is once again on R5A12, BTW. Thanks everyone. shplad |
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| Author: | gr8nash [ Tue Jul 05, 2005 8:43 pm ] |
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you runnign any wierd modlines? or is the the defualt 1024x768 or 800x600? |
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| Author: | shplad [ Tue Jul 05, 2005 10:11 pm ] |
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Well, yeah. If I can, I'd like to be able to run 720x480 Thanks shplad gr8nash wrote: you runnign any wierd modlines? or is the the defualt 1024x768 or 800x600?
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| Author: | shplad [ Sat Jul 09, 2005 9:10 pm ] |
| Post subject: | Re: Best way to reconfigure X after monitor replacement? |
The picture has definitely changed-it's not quite right on the current monitor. No one knows an easy way to reconfigure? shplad |
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| Author: | tjc [ Sun Jul 10, 2005 11:08 am ] |
| Post subject: | |
Either get out the documentation for the monitor or look at the label on the back. One of them should tell you the Horz and Vert sync ranges. Change those settings in your /etc/X11/XF86Config-4 to match. Second if there is a particular resolution that you want, go over to the modeline generator at http://xtiming.sourceforge.net/cgi-bin/xtiming.pl and plug in the parameters then add the resulting modeline to your /etc/X11/XF86Config-4 as well. Oh, and don't forget to add it's name to the list of "Modes" down in the Display SubSection for your Screen. |
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| Author: | shplad [ Mon Jul 11, 2005 8:22 am ] |
| Post subject: | |
Thanks for that. That's basically what I had figured. But, (newbie question here), don't ALL the modelines need to be recalculated for the best picture on a different monitor? It's not much work to insert the horiz. and vert. scan freqs. and one modeline, but to recalculate every modeline would be, if I want the best results possible. Thanks shplad tjc wrote: Either get out the documentation for the monitor or look at the label on the back. One of them should tell you the Horz and Vert sync ranges. Change those settings in your /etc/X11/XF86Config-4 to match. Second if there is a particular resolution that you want, go over to the modeline generator at http://xtiming.sourceforge.net/cgi-bin/xtiming.pl and plug in the parameters then add the resulting modeline to your /etc/X11/XF86Config-4 as well. Oh, and don't forget to add it's name to the list of "Modes" down in the Display SubSection for your Screen.
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| Author: | shplad [ Mon Jul 11, 2005 12:54 pm ] |
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I've made some progress. I made those changes, and after about 2 straight hours of tweaking, I finally have a decent picture. (I tried 60Hz, but got too much graininess and flickering. I get much better results with 59.95 Hz.) Now, there are two things I still need to fix: 1. Watching live TV does not work-I simply get a black screen from which I cannot escape. Playing back recorded shows works fine, however. This is definitely related to XF86Config-4 settings, as this never occurred with my previous XF86Config-4 file. It also works fine if I switch back to my old XF86Config-4 file 2. I still want to get 720x480 interlaced on the TV (but don't need it on the monitor). I'm pretty sure that's the native mode of this TV, since with my old vidcard, I had a better quality and a more complete picture. Do I still need to calculate a modeline for this mode if I only want it on the TV and not the monitor? Thanks shplad tjc wrote: Either get out the documentation for the monitor or look at the label on the back. One of them should tell you the Horz and Vert sync ranges. Change those settings in your /etc/X11/XF86Config-4 to match. Second if there is a particular resolution that you want, go over to the modeline generator at http://xtiming.sourceforge.net/cgi-bin/xtiming.pl and plug in the parameters then add the resulting modeline to your /etc/X11/XF86Config-4 as well. Oh, and don't forget to add it's name to the list of "Modes" down in the Display SubSection for your Screen.
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| Author: | tjc [ Mon Jul 11, 2005 4:39 pm ] |
| Post subject: | |
shplad wrote: Thanks for that. That's basically what I had figured. But, (newbie question here), don't ALL
the modelines need to be recalculated for the best picture on a different monitor? It's not much work to insert the horiz. and vert. scan freqs. and one modeline, but to recalculate every modeline would be, if I want the best results possible. Not really, modelines are like dishes on a restraunt menu, you don't have to eat them all. All you really need is at least one that works for you. |
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