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Defman

Amd R9 280X and VGA: bad resolutions

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I have Optiquest Q2202wb monitor that supports only VGA and Amd R9 290X. And I can't choose any resolution higher than 1280x1024. There is any way to fix it? I'm tried SwitchResX but it's always says "not installed" for my resolution (1680x1050@60). I don't have enough money to buy new monitor :(
Also If I loaded without GraphicsEnabler=no - my monitor just shutdown when OS loaded.

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Okay I solve my problem.
My working modelines:
Modeline "1680x1050" 146,870 1680 1786 1966 2252 1050 1051 1054 1087 -hsync +vsync
Modeline "1680x1050" 146,870 1680 1786 1966 2252 1050 1051 1054 1087 +hsync +vsync
 

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I know this post is from 2014, but i am having the same problem. I can't get the 3440x1440 display, to be in anything but 1600x1200.

Where do you set modelines?

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