I was also affected by this problem after upgrading from 19.04 to 19.10.
I fixed it by using boot-repair, and have the log file it produced. I can provide it, if it will provide any assistance.
I was also affected by this problem after upgrading from 19.04 to 19.10.
I fixed it by using boot-repair, and have the log file it produced. I can provide it, if it will provide any assistance.