Hi Daniel, thanks for your answer.
I just tried it. Since I did not know anything about 'nomodeset', I looked for it on the internet. I found this link: https://support.reliablesite.net/kb/a240/how-to-set-nomodeset-into-the-grub-bootloader-debian-and-ubuntu-intel-core-i7-3770.aspx and followed it until step 5, so I did: """ 2. After completion reboot the server as normal but interrupt the default boot in GRUB by hitting the arrow keys. 3. Highlight the very first, top option and hit 'e' 4. Scroll down on the editor and look for the line that starts with 'linux'. Once found append to the end of the line with 'nomodeset' 5. Press 'F10' to boot. The server should boot and not disconnect if done correctly. """ I am not sure if I have done it correctly. The 'linux' line looked as follows before pressing 'F10'. linux /boot/vmlinuz-4.9.0-1-amd64 root=UUID=<a lot of numbers> ro quiet nomodeset (it is one line originally, despite being two in this mail) The result was: [drm:radeon_init [radeon]] *ERROR* No UMS support in radeon module! kvm: disabled by bios kvm: disabled by bios Then the screen started blinking again. I'd be really glad at any further help. --- Michael
