[SOLVED] Changing screen resolution with xrandr.

Been googling around after a way to change my screen resolution.
I'm on a Acer Aspire Timeline 3810t with the resolution 1366x768.
I wanted to change my resolution to something like 1900x1200 and found a guide explaining how to do this with xrandr.
This is what I did:
jorgen ~ $ xrandr
Screen 0: minimum 320 x 200, current 1366 x 768, maximum 8192 x 8192
LVDS1 connected 1366x768+0+0 (normal left inverted right x axis y axis) 293mm x 165mm
1366x768 60.0*+
1024x768 60.0
800x600 60.3 56.2
640x480 59.9
VGA1 disconnected (normal left inverted right x axis y axis)
HDMI1 disconnected (normal left inverted right x axis y axis)
DP1 disconnected (normal left inverted right x axis y axis)
DP2 disconnected (normal left inverted right x axis y axis)
TV1 disconnected (normal left inverted right x axis y axis)
jorgen ~ $ cvt 1900 1200
# 1904x1200 59.93 Hz (CVT) hsync: 74.61 kHz; pclk: 191.00 MHz
Modeline "1904x1200_60.00" 191.00 1904 2032 2232 2560 1200 1203 1213 1245 -hsync +vsync
jorgen ~ $ xrandr --newmode "1904x1200_60.00" 191.00 1904 2032 2232 2560 1200 1203 1213 1245 -hsync +vsync
jorgen ~ $ xrandr --addmode LVDS1 1904x1200_60.00
X Error of failed request: BadMatch (invalid parameter attributes)
Major opcode of failed request: 150 (RANDR)
Minor opcode of failed request: 18 (RRAddOutputMode)
Serial number of failed request: 33
Current serial number in output stream: 34
Does anybody have an idea about what I am doing wrong, or why I get this error?
Last edited by jorg1 (2011-03-12 04:20:39)

jorg1 wrote:
Ok, I found some good documentation - the wiki. (Been in ubuntu so long that I forgot to check the official documentation before going to the forums :S)
Made myself a 10-monitor.conf file:
Section "Monitor"
Identifier "Monitor0"
EndSection
Section "Device"
Identifier "Device0"
Driver "intel"
EndSection
Section "Screen"
Identifier "Screen0"
Device "Device0"
Monitor "Monitor0"
DefaultDepth 24
SubSection "Display"
Depth 16
Modes "1900x1200_60.00" #Choose the resolution
EndSubSection
EndSection
But it still won't switch to any other resolution than 1366x768. Anybody see anything wrong with this?
Good, you've learnt to use the wiki, please do that first from now on (google as well). Also, please use code-tags, makes it easier to read code/conf-files.
It looks like you're trying to set your laptop screen to a resolution higher than it can go. Hint: not possible. If you had an external screen with a higher res then you could use that, but the resolution is limited both by the screen and the graphics card, and I haven't heard of any laptop screen with such a high resolution.

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800x600 72.2 75.0 60.3 56.2
640x480 72.8 75.0 66.7 60.0
720x400 70.1
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Last edited by jpking10 (2012-05-26 18:27:47)

Yes, GPU support for dual head is there. I think I will try out the Nvidia drivers.
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[SOLVED] Changing screen resolution with xrandr.

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