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I am working on Ubuntu 12.04 with extended screen. One of the screens is set to the resolution of 1600×900 (16:9) and the other is set to 1360×768 (16:9).

I have the latest NVIDIA drivers installed. Can anyone suggest how to increase the screen resolution of other screen too? I'm not getting any option in the list to make it 1600×900 — the limit is 1360×768.

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  • What is the native resolution for that screen?
    – gronostaj
    Nov 25, 2013 at 6:40
  • Thank you for you reply. I am not sure how to find the native resolution ,until you can tell me but both my monitors are same company product and both are alike. So both have same native resolution of 1600 X 900.
    – Rana Ranvijay Singh
    Nov 25, 2013 at 7:03

1 Answer 1

Reset to default
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You could use xrandr command line tool to set modes

Assuming you have your second monitor connected via VGA it would be like so

xrandr --addmode VGA1 1600x900

Now select that mode

xrandr --output VGA1 --mode 1600x900

You may want to check the manual for your setup.

Here is what it would look like if you had two HDMI devices

xrandr --output HDMI1 --mode 1600x900 --left-of HDMI2 --output HDMI2 --mode 1600x900

To check what output devices you have you can simply type the following into a terminal

xrandr
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  • Yes one monitor is VGA and yes i have tries this way also , anyway i did it again and look up for the screen shot.
    – Rana Ranvijay Singh
    Feb 27, 2014 at 7:06
  • Looks like you need to add the mode for the DVI-I-0 instead of the VGA try xrandr --output DVI-I-0 --mode 1600x900 and see if that adds the mode.
    – map7
    Feb 28, 2014 at 1:13
  • X Error of failed request: BadMatch (invalid parameter attributes) Major opcode of failed request: 140 (RANDR) Minor opcode of failed request: 18 (RRAddOutputMode) Serial number of failed request: 31 Current serial number in output stream: 32 Its not working dude ... i tried adding 1600x900 for DVI but shows error.
    – Rana Ranvijay Singh
    Feb 28, 2014 at 6:06

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