I'm sorry to cause confusion^^ Anyway, I was able to solve the problem by clicking "Try Ubuntu" and then select "Install Ubuntu" from the taskbar and just reinstall it this way. It somehow worked
Thank you for your answer! I don't quite understand why I would boot the USB Stick again? After booting it again I just see the "Try Ubuntu or Install Ubuntu" - Dialog
Hi!
I installed Linux Ubuntu on an external SSD. The installation process was successful but after rebooting, I got the "attempt to read or write outside of disk hd0" - error. I don't know anything about grub. What should I do to boot successfully?