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-   -   Change screen resolution - blurry (http://www.nvnews.net/vbulletin/showthread.php?t=152243)

bmhardy 06-21-10 06:38 PM

Change screen resolution - blurry

I just got a HP EliteBook 8730W running Ubuntu Linux with and NVIDIA graphics card.
I open the NVIDIA X Server Settings dialog from System->Preferences->Monitors.
When the resolution is set for 1920x1200 the display is clear but too small for my older eyes.
I tried to set the resolution to 1440x900 which is also 16:9 but the result is a blurry display.
I get a message that says MetaMode 95 of Screen 0 is the same as MetaMode 1. All MetaModes must be unique. Can you tell me what this means and what I can do to change my display so that it is larger and clear?

Thank you.


ledoc 06-21-10 07:40 PM

Re: Change screen resolution - blurry
Blur is normal if you don't run the display at its native resolution.

What you want to do to is run the native high resolution and fiddle with the DPI settings.

Check the documentation for this option:


Option "DPI" "string"

This option specifies the Dots Per Inch for the X screen; for example:

Option "DPI" "75 x 85"

will set the horizontal DPI to 75 and the vertical DPI to 85. By default,
the X driver will compute the DPI of the X screen from the EDID of any
connected display devices. See Appendix E for details. Default: string is
NULL (disabled).

bmhardy 06-21-10 08:12 PM

Re: Change screen resolution - blurry

Can I adjust the Option "DPI" using the GUI? So doing this will I be able to see everything larger then?


ledoc 06-22-10 06:53 PM

Re: Change screen resolution - blurry
I'm afraid you have to put it into the "Screen" section of your /etc/X11/xorg.conf. Use your distro documentation for how to do that (probably something sudo gedit /etc/X11/xorg.conf). Then restart X or reboot.

What it does is it will "trick" X and other programs into believing you have a different pixel density and most will adapt things like font and icon sizes accordingly.

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