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I have reviewed the answers that exist. I trialed Ubuntu 14.04 on my Novatech U50SI1 and it ran perfectly albeit slowly, so I installed it in place of Windows XP.

When I booted up 14.04 my screen resolution locked at 800x600 and I do not have the option in settings to have anything other than this resolution.

The text is therefore very large and the screen overflows so that I cannot scroll to some of the command buttons.

Xrandr just errors out with "invalid resolution", no matter what I type (even 800x600).

When I boot from the disk the screen resolution is fine. I think the video card for this model is SIS Mirage 3 but I am not sure how to check. The only driver updates I have found are for windows not Ubuntu and they all have .exe files my Ubuntu install will not run.

I hope this is now clear. My question is how do I change the resolution and also run .exe programs?

αғsнιη
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Chris Croxson
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    what video card are you using and what error is xrandr giving you? – Panther Nov 01 '14 at 20:37
  • That's two unrelated questions. The second is answered here: http://askubuntu.com/questions/988/how-can-i-install-windows-software-or-games – muru Nov 03 '14 at 22:26
  • To show what graphics card you are using, open the terminal and run the command: `lspci -nn | grep VGA`. The output of this command will provide sufficient information to determine what graphics driver(s) are compatible with your system, so please edit your question and add the output of `lspci -nn | grep VGA` to it, or else post the output as a comment. – karel Nov 04 '14 at 01:10

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I would suggest going to System Settings/Software & Updates/Additional Drivers/Selecting a driver for your video card, assuming this was not done already. I had the same problem after installing Ubuntu and that is how i solved it.

Mathieu Foucreault
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  • That is a good idea .. the only problem is that it is an older PC that I inherited and I have no idea what the video card is, nor how to find out. I suppose that I could try to contact the supplier – Chris Croxson Nov 02 '14 at 09:10
  • Assuming you're using Ubuntu 14.04 as mentioned in the original post; the menu i mentioned lists the detected video adapters and lets you select from provided drivers. Also the top right menu/About my computer should tell you something about the graphic adapter. – Mathieu Foucreault Nov 03 '14 at 22:27
  • Try getting the card information from the system using `lspci` or `lshw -C display` – Underverse Apr 11 '19 at 23:05