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#1 2009-07-24 19:04:05
- 9nqksfhn
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- Registered: 2009-07-22
- Posts: 28
Horizontal fuzz on screen.
Hi,
I used to use the proprietary nvidia graphics driver for my GeForce2 MX/MX 400 graphics card, but since I don't need 3D acceleration I decided to try the xf86-video-nv driver.
The proprietary nvidia driver didn't work without an xorg.conf, so I had generated one using nvidia-xconfig, but the xf86-video-nv does work without an xorg.conf, and it correctly detects my 1440 x 900 screen resolution.
So basically I am using a ViewSonic VA1916w monitor, a GeForce2 MX/MX 400 graphics card, and the xf86-video-n graphics driver, with no xorg.conf, and it is using the correct resolution.
My problem is there is horizontal fuzz on the screen. To describe it: a horizintal 1px high line looks normal, but a vertical 1px line is blurred accross 2 pixels. If the line is black on a white background the left pixel looks dark greyish blue and the right pixel looks dark greyish orange. If the line is white on a black background the left pixel looks light greyish orange and the right pixel looks light greyish blue.
Can you please help me fix it, it hurts my eyes 
Thanks.
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#2 2009-07-24 19:49:12
- 9nqksfhn
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- Registered: 2009-07-22
- Posts: 28
Re: Horizontal fuzz on screen.
I changed the screen refresh rate in the xfce settings manager from 60Hz to 75 Hz and the problem is now fixed .
However, the problem is still there in slim (login manager), and also the xfce refresh rate setting does not persist after loging out and in again or rebooting. How can I make the screen refresh rate always start at 75Hz?
Last edited by 9nqksfhn (2009-07-24 20:11:25)
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#3 2009-07-24 20:30:49
- djszapi
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- From: Cambridge, United Kingdom
- Registered: 2009-06-14
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#4 2009-07-24 20:45:16
- 9nqksfhn
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- Registered: 2009-07-22
- Posts: 28
Re: Horizontal fuzz on screen.
Yeah but how.
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#5 2009-07-25 06:57:42
- djszapi
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- From: Cambridge, United Kingdom
- Registered: 2009-06-14
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#6 2009-07-25 10:03:11
- arkham
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- From: Stockholm
- Registered: 2008-10-26
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Re: Horizontal fuzz on screen.
You might want to look at how to configure modelines and generate an appropriate xorg.conf containing only the modelines. Read http://www.x.org/wiki/FAQVideoModes and/or use http://bohne-lang.de/spec/linux/modeline/
"I'm Winston Wolfe. I solve problems."
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#7 2009-07-25 13:13:12
- 9nqksfhn
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- Registered: 2009-07-22
- Posts: 28
Re: Horizontal fuzz on screen.
Using the modeline didn't have any effect but I found a way to fix it.
First I typed X -configure and it generated an xorg.conf file, but when I tested it the refresh rate was still 60Hz. So I changed the VertRefresh line in the xorg.conf to 75 and copied the file to /etc/X11/xorg.conf and now it works.
Thanks for helping
Last edited by 9nqksfhn (2009-07-25 13:13:42)
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#8 2009-07-27 17:55:28
- tavianator
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- From: Waterloo, ON, Canada
- Registered: 2007-08-21
- Posts: 859
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Re: Horizontal fuzz on screen.
Why not try the xf86-video-nouveau driver?
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