I have HP Pavilion dv6 6119tx system which has a screen resolution of 1366X768. But after installing fedora 17 on VirtualBox with Guest additions, the default resolution is 1280X768. Whenever I switch to fullscreen mode, I have some black space left on both left and right sides of screen. Please help.
Please also suggest me some resources to learn basics of Linux, commands in Linux(specifically Fedora 17).
Best Answer
For documentation, Fedora has a pretty good for basics: http://docs.fedoraproject.org/en-US/index.html
Now regarding your problem I had the same issue and to avoid it I've performed the following as root:
This will provide all the available modes. To add a new one perform the following:
Let's create a new mode for XRAND and associate it to the screen.
And now it's time to activate the output
the VBOX0 value you get from the first xrandr command to see your display id. Change the cvt value and update the commands accordingly to match your cvt output.