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My machine has two hard drives, one has Fedora 64bit and one has Ubuntu 12.04 64bit. When running Fedora, I can set the resolution to 1600x1200. But I can only get 1280x1024 when Ubuntu is running.

How can I get the same resolution as when Fedora is running? One dell monitor in my case.

EDIT:

More info here:

lspci | grep -i vga shows:

06:00.0 VGA compatible controller: NVIDIA Corporation NV37GL [Quadro PCI-E Series] (rev a2)

sudo lshw -C video shows:

*-display UNCLAIMED
description: VGA compatible controller
product: NV37GL [Quadro PCI-E Series]
vendor: NVIDIA Corporation
physical id: 0
bus info: pci@0000:06:00.0
version: a2
width: 32 bits
clock: 33MHz
capabilities: pm msi pciexpress vga_controller cap_list
configuration: latency=0
resources: memory:dd000000-ddffffff memory:c0000000-cfffffff memory:de000000-deffffff memory:df800000-df81ffff

xrandr shows:

xrandr: Failed to get size of gamma for output default
Screen 0: minimum 640 x 480, current 1280 x 1024, maximum 1280 x 1024
default connected 1280x1024+0+0 0mm x 0mm
1280x1024 0.0*
1024x768 0.0
800x600 0.0
640x480 0.0

lsmod |grep nvidia shows: nothing

So it seems there is no driver installed? how to install the driver?

share|improve this question
    
And you are using the same graphic drivers in both I guess? –  Uri Herrera Sep 18 '12 at 17:51
    
no hardware changes when I switch from one to another. –  5YrsLaterDBA Sep 18 '12 at 17:56
    
What drivers have you enabled in Fedora and Ubuntu, namely the ones for the graphics card? What model graphics card is it? –  hexafraction Sep 18 '12 at 21:09
    
more info is added which include the graphic card info. –  5YrsLaterDBA Sep 19 '12 at 14:02
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