Solution:

This is an application tip when you have to install your Linux OS in TEXT mode. After specific VGA installation is finished, you can use Xwindow in your system. Therefore, you have to modify some configuration in original TEXT mode operating environment. 1. Modify /etc/inittab id:3:initdefault: ---> id:5:initdefault 2. Modify /usr/X11R6/lib/X11/xdm/Xsession Last 2nd line, exec xxx ---> exec kde