I tried to switch the harddisk from 250Gb to 1Tb.
It should be an AV Disk, I choose the
The receiver will not format the disk.
Clonezilla clone did not work.
1 to 1 copy on a USB Copy Station did work.
I had to delete the Patition 4 subpartitions (5 and 6) using GParted.
Now the receiver bootet up with 930 Gb free.