For those who might help it: In a duplicate of this bug description is a workaround: after the boot: prompt, just enter help and hit return. afterwards it boots normally: https://bugs.launchpad.net/ubuntu/+source/syslinux/+bug/617779/comments/7
For those who might help it: /bugs.launchpad .net/ubuntu/ +source/ syslinux/ +bug/617779/ comments/ 7
In a duplicate of this bug description is a workaround:
after the boot: prompt, just enter help and hit return. afterwards it boots normally:
https:/