Modifying xorg.conf to set up monitor to 1280x1024 60hz refresh rate.
Hi Back,
Now if I right click on my desktop and choose Configure Desktop->Display, I see my monitor is displaying 1280x1024 at 50hz refresh rate. If I try to change the refresh rate, available options are: 50 or 54. My monitor (Samsung 732nplus) has a recommended refresh rate of 60hz and a recommeded resolution of 1280x1024. So, resolution is ok but refresh rate should be changed to 60. What parameter/s should I change to set refresh rate to 60? I've tried to change this to nVidia X server settings but then I wasn't able to boot my system again into X (as I've mentioned in a previous post). This is my xorg.conf file (screen related sections): Code:
Section "Monitor" Glore2002.- |
I don't pretend to totally understand how this works. Things I have used successfully:
1. Set the monitor vert. refresh to 59.9-60.1 2. Use a modeline (generate using gtf) |
Could you set it with the nvidia-settings program ?
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I am running a 1920x1200 LCD on an Nvidia card (nvidia driver). The vert refresh was set to 50-70, and xrandr said it was actually running at 50. Curiously, it gives other modes available as follows:
Code:
1920x1200 50.0* The screen does not flicker and looks great, so I don't care to find out what's going on---at least for now....;) |
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Glore2002.- |
Just use show preview after you click "Save to X file...", click cancel after that
Then note the options in "Screen" section, and add Screen option in xorg.conf In the hope that is not the option that makes X un-startable though :) |
I used nvidia-settings and changed the refresh rate from "auto" to 60. xrandr then said that i now had 2 options for the 1920x1200 mode: 50 and 100. The refresh rate for the other modes was the same as before.
I have NO CLUE what is going on..... |
Be carefull, I just noticed the xorg.conf generated by nvidia-settings does not use the same Identifier names as the original xorg.conf in sections!!!
No wonder X will not start if you just copy one section for example, the identifier names must match between sections |
Quote:
https://www.linuxquestions.org/quest...701/page2.html I use a Samsung 712N monitor with the same basic display specs. I use the proprietary nvidia drivers. The solution I discovered solved the incorrect reporting of the display settings. I hope this helps. |
Thanks Woodsman for the tip about DynamicTwinView, much appreciated :)
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Great Tip and Great Slackware Team!
#1: Woodsman: Your research work deserves an "A" :-)
#2: Now I can choose between 60 and 75hz. It works OK. #3: What I finally added was: Code:
Option "DynamicTwinView" "false" Thanks to all of you. You're the best source of information I ever had!!! Glore2002.- |
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