I would recommend you also read the wiki, here is a link to a useful page called what to do after a fresh install.
If you follow it, will fix your issue.http://wiki.sabayonlinux.org/index.php? ... t_to_do.3F
Wolfden has also put together a great page, lots of good stuff there.viewtopic.php?f=86&t=16505
And of course, lots of good folk's right here to help solve issues.You will get more help, if you try to find the answer yourself.
Sabayon is an awesome operating system, If you are new to linux, or coming from another distro.... will be a small learning curve and worth doing some reading.
Enjoy, ask if you need help