So what card do you have? It won'r pop out in yast.

If it is 3D you might need the 3D drivers.

Also most people simply install via Yast compiling programs can be complicated and in the most part not needed. You are doing things the hard way then complaining that they are hard.

For graphics don't say you never had to install a driver from a makers web site in Windows.

You might want to read these
openSUSE Graphic Card Practical Theory Guide for Users

** Information for New Users **