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stoolpigeon's Journal: Linux Monitor Resolution Question - Edited 4

Journal by stoolpigeon

I think I've figured it out mostly. I've got the mechanism down I believe and now it is just a matter of nailing down some specifics. I used a program called cvt to find the modeline for the resolution I wanted. Then I tried it out with xrandr and that worked pretty well. I did all this with the guidance from this Arch wiki article.

Then I used the layout they show for creating an entry in xorg.conf but I didn't do it in xorg.conf I created a new file in /etc/xorg.conf.d as per this post.

I logged out, logged back in and had the option to change the lcd to the desired resolution. The only remaining issue is that while everything I can find says this monitor is 1440x900 - when I maximize stuff it goes off the right edge. But I can figure that out.

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My original post is below:
I've got a cheap LCD monitor that I use at home. It's decent but it does have one real pain in the butt issue. It doesn't report itself properly to computers. I don't know the details - I just know that regardless of what I connect to it and regardless of the OS - I have to go in and straighten it out.

Today I started using it with my laptop running Fedora 17 and sure enough I don't get the correct resolution as an option. Fedora doesn't use xorg.conf any more and the tools I've found all just give me the same set of options that don't include the right resolution.

I'm open to suggestions on how to get it to handle this correctly.

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Linux Monitor Resolution Question - Edited

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  • 99% of everything out there for xorg.conf was completely obsoleted by X -configure. It detects your card, uses the PnP monitor probe to detect the monitors and resolutions, writes you a temporary configuration file, prints instructions on testing that file and copying it to the proper place to make it permanent. I've never had it fail completely though I think it prefers the free drivers to the proprietary ones.

    • Yep - but with this monitor it doesn't work because the monitor doesn't tell about itself correctly. So it doesn't auto-configure properly with Linux or Windows. With windows it's a matter of finding the driver from the website of the manufacturer or wherever.

      I can't get it to stick though. I don't leave this machine running all the time. When I boot up I have to use the system-config tool to change the resolution to the one I want - but at least it is an option now.

    • There is one exception I've been noticing lately. I've had several instances of small form factor computers (basically, notebooks in small cases, without screen) that come with DVI/VGA or DP out and have an additional HDMI port (or think they have, even if they don't!). Linux, considers the HDMI port to be always-on, and since there is no monitor connected it it, assumes the lowest possible resolution. Since it is mirrored with the "real" connector (DVI/VGA or DP), you get crappy resolution on the real mo

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