Re: Too wide of a screen

On 01/18/2011 02:00 PM, Doug wrote:
On 01/18/2011 04:34 PM, Ray Parrish wrote:
On 01/17/2011 01:21 PM, Ric Moore wrote:
On Mon, 2011-01-17 at 07:57 -0800, Ray Parrish wrote:
Hello,

I have just completed upgrading from 8.04 to 10.04
and now I have a few problems.

This first problem is that with my resolution set
to 1024x768 as I normally have it, the screen is
too wide and runs off the left side. My
applications menu on the top tool bar is almost
completely out of sight as it runs off the screen
on the left side.

/snip/
OK, I tried that, and there was no change. I'm wondering if nvidia's driver thinks that I am running a different sized monitor than the 15 inch TFT LCD Jetway I have?

The nvidia settings dialog reports my screen size as being 313 x 232 millimeters, which I have no way of measuring to verify as I have no metric rules to use.

It also reports a resolution of 83 x 84 dots per inch, which I am not sure of either.

Is there any way to change the size reported above to see if the screen shrinks down to the correct size?

I know from previous experience that this monitor does not correctly report it's data. I used some of the tools I found in Ubuntu to query the monitor's information, and it always told me that the monitor was not returning the information.

Later, Ray Parrish

To convert from millimeters to inches, divide by 25.4. Doing this says the screen is just over 15" diagonal, which is what you say you have.
The conversion also shows that the resolution is ~ 1020 x 760, which is realistic for a small screen in 4 x 3 proportion, which is what the
screen proportion calculates to--the older (better) screen proportion. It sounds like you have a driver problem--maybe the wrong one, or maybe you are sending it the wrong information. If there are any manual setup abilities, now is the time to utilize them.

--doug

Thank you for providing the conversion factor for mm to inches, and doing the calculations you did.

I know how to edit the xorg.conf file, but to my eye it looks pretty much the way it did in the older version of Ubuntu, and I can not spot any errors in the settings that are in it so far.

The modelines have some numbers that I do not understand, here is an example -

ModeLine "1024x768@60" 65.0 1024 1048 1184 1344 768 771 777 806 -hsync -vsync

I'm not sure why that line lists so many numbers in addition to the 1024, and the 768. Are all of them alternate heights, and widths for the screen?

I see nothing in the current xorg.conf file which could alter the pixel count to make the screen go too wide, or anything that would make the pixel size be calculated incorrectly, so I am at a loss to explain why the visual area of the desktop is wider than the display area of my monitor.

Later, Ray Parrish

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