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Old 01-17-2007, 10:40 AM   #1
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Registered: Jan 2007
Distribution: Fedora Core 6
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Screen distortion on 17" Monitor, Fedora Core 6


So I have a Fedora Core 6 installed PC with this 17" LCD monitor, and somehow it just .. fails to work properly.

Depending on the resolution, it has all these "distortions" - for a lack of a better word.
When I set my resolution at 640x480@60 everything's fine, but everything upwards has distortions. The higher the resolution the worse - At 1024x768 it seems like little blocks, and at 1280x1024 they're huge bars with.. lines. I can't describe it, so I whooped out my mobile phone and took this shot with it.

I had Ubuntu installed earlier on the exact same PC and monitor, and it worked fine. Same with Windows XP. But then I went back to Fedora and zoof, it had this.

If anyone knows what to do and would help me out, I'd be really grateful. Thanks in advance.

It might be worth mentioning I have a mainboard-embedded video card.

Last edited by SinofEnvy; 01-17-2007 at 10:45 AM.
Old 01-17-2007, 11:36 AM   #2
Registered: Jul 2003
Location: Miami, Florida, USA
Distribution: Debian
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You may be using the wrong display driver or a generic one that does not work well with your video card.

To narrow down the problem, I would run Ubuntu then notate what video driver it uses versus Fedora.

To compare drivers run 'lsmod | less' and print the output.
Old 01-17-2007, 11:58 AM   #3
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Distribution: Fedora Core 6
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I was thinking that, yeah. I'll try this anytime soon, thanks.
Old 12-13-2007, 12:56 PM   #4
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Registered: Jul 2007
Distribution: Fedora 8
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Exclamation I'm getting a similar thing

I just now installing Fedora's new release: 8.0 on my rig. since I can't burn DVD's, I have to use the old fasioned LiveCD version. So at the moment of writing this article, I'm running it.

Here's the specs:

- Intel Pentium III processor (ok, so it's not a top-line rig, but hey, it works)
- 512 Megs memory
- 40 GB HDD
- Hercules 128 bit Video Card
- LG Studioworks 700L monitor

My problem I think is also due to the miscalculation of my monitor's resolution: First off, the entire screen is miscolored, usually in a Lavendar color, Green, or red. Second off, the mouse pointer seems to move the distortion around, making a box of different distortion around itself, and leaving a trail around when I move it. When the paths of the mouse pointer cross themselves, they change color (ok, that was a bit of a pointless detail). Usually the distortion will be shocked to going back to its original purple state when something pops on the screen (e.x. the login screen). Also, I noticed that between the loading screen (where Fedora is setting up the Kernel and all else), and the login screen, the rig displays a patterned array of weird characters (much like the ones I used to get when my old HP Inkjet printer fudged up and didn't read the computer's file signal properly). There are a few excamation points mixed in with these symbols, and they will flash repeatedly.

Now, I'm really not sure if all this will go away once I'm running Fedora off of my Hard Disk, But I'll probably need some advice if It doesn't, or if the vid distortion prevents me from completing the installation.

Any help I can get would be greatly appreciated.

~~Collin M.


distortion, fedora, monitor

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