Why does Fedora 10 Linux distribution lack an xorg.conf file ? And what is the workaround if the display is not detected properly ?

Here is a possible answer and a solution to this problem. The possible answer is – Xorg server has matured itself so much that it can auto configure itself. So technically speaking, you don’t need an xorg.conf file in your system. In 99% of the cases, Xorg will detect all your settings correctly.

But like it happened to me, in rare cases, Xorg server may fail to provide the desired resolution for your monitor even though you know your monitor supports that resolution. So what to do in this situation ?

Here is a solution that worked for me.

I logged in as root user and installed the utility  ‘system-config-display‘ using yum as follows :

# yum install system-config-display

Then I ran the tool from the command line with the following options :

# system-config-display --set-resolution=1024x768  --forceui

… Where 1024×768 is my desired resolution. This opened up the display settings dialog box where I had to choose the correct monitor type in the “Hardware” tab.

Note: On hindsight, you can also open the “Display settings” GUI by navigating through  – “System > Administration > Display” .

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