Are you booting from sda?
Have you tried booting older kernel or recovery mode of either current or older kernel?
Have you tried reinstalling grub?
You can use Boot-Repair to install grub2...
Type: Posts; User: oldfred; Keyword(s):
Are you booting from sda?
Have you tried booting older kernel or recovery mode of either current or older kernel?
Have you tried reinstalling grub?
You can use Boot-Repair to install grub2...