4.11 installation don't start

[Christian Gatzlaff]

Hi,
i can start the kernel configuration menu, there are no conflicts, i 
save the configuration and after a view seconds the pc freeze

Mounting root from ufs:/dev/md0c

this is the last  line, which is printed, sysinstall don't starts.

the detection of the DVD device takes also some time.
On another pc there is no problem - can you help me?

I have a Centrino Notebook, 1,7 GHz, 80GB HDD, 512 MB RAM

Christian