Quote Originally Posted by malabarista
i try nothing.
this was the installation of knoppix 3.7.
therefore i am asking what to do.
So you installed Knoppix3.7 to your HDD? ...tsk, tsk

Not sure - If you're booting from LiveCD, these likely won't help
Depending upon which Windows Manager you want to use, perhaps;
dpkg-reconfigure kdm (for KDE)
dpkg-reconfigure gdm (for Gnome)
dpkg-reconfigure xdm (for X)

Have you read the WIKI or FAQ info here?
http://www.knoppix.net/wiki/Main_Page
The main strength of Knoppix is its ability to be run from memory as a Live Linux CD. The advantage to this is that you can take the CD with you. However, some users have worked out how to install Knoppix on a hard drive. Hard drive install of Knoppix is not recommended for the new user and one should understand that there are problems associated with a hard drive install of Knoppix, particularly if you try to install more software or update your current software. Users are encouraged to look at a Debian ( www.debian.org ) install before trying to "install" Knoppix. If you have an old small hard drive, a large hard drive, or any drive other than a CD Rom drive that Knoppix was originally intended for, then you may want to look at some of these Hard drive Installation pages.