Problem with the screen resolution on Ubuntu 12.04

Posted by sveinn on Ask Ubuntu See other posts from Ask Ubuntu or by sveinn
Published on 2012-11-17T01:54:55Z Indexed on 2012/11/17 5:17 UTC
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xorg

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resolution

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xrandr

I just installed ubuntu on my laptop. The screen resolution is stuck in 1024x768. The screen is made for 1280x800. When I run xrandr I get:

xrandr: Failed to get size of gamma for output default Screen 0: minimum 800 x 600, current 1024 x 768, maximum 1024 x 768 default connected 1024x768+0+0 0mm x 0mm 1024x768 61.0* 800x600 61.0

1280x800 isn't offered and I get gamma size error. I was going to look into the Xorg.conf file but I couldn't locate it. 1280x800 was displayed in Windows 7 and I think it is being displayed in Grub before ubuntu starts also. Here are some details about my computer:

CPU Intel atom D2500 1.86GHz Chipset Intel 945GSE+ICH7M LCD 14" TFT 16:9 Resolution ratio 1280*800 Video Card Intel integrated GMA950

Does anyone know how to fix this?

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