Step by step, install X success.
Now starting x installation, please see my series of posts in front. I have installed the X-Window-System-Core package directly, the basic X system, you need desktop management to install it yourself, here I choose XFaceApt-Get Install X-WINDOW-SYSTEM-CORE installation, you need to configure it, pay attention The display card is optional, other do not do. Run StartX now, if you can enter the desktop, you can download your desktop management. The APT-GET Install XFCE4 Install XFCE4 is completed and starting StartX is the interface of XFCE4.