Pressing the Power button (briefly) in the situation last described yield a new familiar text display (normal shutdown), and did shut down.
Reboot gave only:
/scripts/init-premount/plymouth: line 36: /sbin/plymouthd: not found
/scripts/init-premount/plymouth: line 37: /sbin/plymouth: not found
UBUNTU: clean, 1521728/30883840 files, 21316398/123523840 blocks
/scripts/init-bottom/plymouth: line 18: /bin/plymouth: not found
Shudown/reboot
[again shutdown familiar: Stopped Mozilla, ...
no response from codec...
ps mouse serial failed to disable mouse...]
Waited until I saw the Dell logo to press and hold the shift key (#2 / #3 in the instructions), but no GRUB menu.
Next, didn't wait: pressed while the screen was still black/empty.
Same result as described above (4 lines)
I don't know whether I have the UEFI enabled. Assuming yes, and trying the Escape key next.
Yes!
GNU GRUB version2.04
Minimal BASH-like line editing is supported [...]
Pressing the Power button (briefly) in the situation last described yield a new familiar text display (normal shutdown), and did shut down.
Reboot gave only:
/scripts/ init-premount/ plymouth: line 36: /sbin/plymouthd: not found init-premount/ plymouth: line 37: /sbin/plymouth: not found init-bottom/ plymouth: line 18: /bin/plymouth: not found
/scripts/
UBUNTU: clean, 1521728/30883840 files, 21316398/123523840 blocks
/scripts/
Shudown/reboot
[again shutdown familiar: Stopped Mozilla, ...
no response from codec...
ps mouse serial failed to disable mouse...]
Waited until I saw the Dell logo to press and hold the shift key (#2 / #3 in the instructions), but no GRUB menu.
Next, didn't wait: pressed while the screen was still black/empty.
Same result as described above (4 lines)
I don't know whether I have the UEFI enabled. Assuming yes, and trying the Escape key next.
Yes!
GNU GRUB version2.04
Minimal BASH-like line editing is supported [...]
grub>
[TAB]
Possible commands are:
. [ acpi all_functional_test appleloader ... zfskey]
grub>