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I am unable to set the correct resolution on a Fujitsu Scenic machine running ubuntu 12.04. The link to the xorg log file is below, which might help those who know how to fix this problem. Any idea or suggestion is appreciated.

link to xorg log

Thanks in advance

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what is your graphics card? have you installed grphics card driver? post output of lspci | grep VGA if you don't know graphics card model. –  Web-E Aug 23 '12 at 11:00
    
01:00.0 VGA compatible controller: Silicon Integrated Systems (SiS) 661/741/760 PCI/AGP or 662/761Gx PCIE VGA Display Adapter –  Orsb Aug 23 '12 at 11:13
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1 Answer

I also use SIS chipset M650 on one of my machines, and your log is very similar to mine and has the same error messages, which are largely unimportant. I have found that it does seem to set the resolution fine when xrandr is used. Type just xrandr to see the list of resolutions and choose one, for example, 1280x1024 and enter xrandr -s 1280x1024. That should work because your log notes that xrandr has been enabled.

To find out exactly which chipset you have got (I know you have posted a rough range of models from lspci) enter:

sudo lshw -class video

I think it probably should be the SiS 661FX; now refer to Thomas Winschofer's guide for driver options particular to your chipset. The so called premium version of the driver has been discontinued and most of its features integrated in the standard version, so I don't think compiling the source code of the premium driver (which is now available) would help. As it is noted on the site there are no specific bug fixes for your issue in the changelog. I hope some of this information is useful, nevertheless.

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Thanks for the detailed answer. The <sudo lshw -class video> gives the same output for the product as earlier indicated (only product range, no exact chipset. –  Orsb Aug 23 '12 at 15:15
    
Ah-did xrandr work? –  user76204 Aug 23 '12 at 15:22
    
According to xrandr, 960 x 600 is the highest resolution, but that cannot fit the screen (currently only 800 x 600 fits the monitor). On the other hand, if I click 'background properties' on the desktop the 'current background' is set to 1920 x 1280. Is not this discrepancy the problem? –  Orsb Aug 23 '12 at 15:26
    
Well yes, but your question was about setting resolutions; can you set the native resolution with xrandr? I have no idea about the discrepancy problem as I have never experienced it with my SiS based machine; it is probably in a setting in the desktop background switcher. –  user76204 Aug 23 '12 at 15:33
    
Which is the native resolution? –  Orsb Aug 23 '12 at 15:42
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