ray@ray-Kudu-Pro:~$ sudo apt-get install --reinstall grub-pc grub-common os-prober
[sudo] password for ray:
Reading package lists... Done
Building dependency tree
Reading state information... Done
0 upgraded, 0 newly installed, 3 reinstalled, 0 to remove and 0 not upgraded.
Need to get 0 B/1,957 kB of archives.
After this operation, 0 B of additional disk space will be used.
Preconfiguring packages ...
(Reading database ... 529868 files and directories currently installed.)
Preparing to unpack .../grub-pc_2.02~beta2-36ubuntu3.7_i386.deb ...
Unpacking grub-pc (2.02~beta2-36ubuntu3.7) over (2.02~beta2-36ubuntu3.7) ...
Preparing to unpack .../grub-common_2.02~beta2-36ubuntu3.7_i386.deb ...
Unpacking grub-common (2.02~beta2-36ubuntu3.7) over (2.02~beta2-36ubuntu3.7) ...
Preparing to unpack .../os-prober_1.70ubuntu3.3_i386.deb ...
Unpacking os-prober (1.70ubuntu3.3) over (1.70ubuntu3.3) ...
Processing triggers for man-db (2.7.5-1) ...
Processing triggers for systemd (229-4ubuntu16) ...
Processing triggers for ureadahead (0.100.0-19) ...
ureadahead will be reprofiled on next reboot
Setting up grub-common (2.02~beta2-36ubuntu3.7) ...
update-rc.d: warning: start and stop actions are no longer supported; falling back to defaults
Setting up grub-pc (2.02~beta2-36ubuntu3.7) ...
Installing for i386-pc platform.
Installation finished. No error reported.
Generating grub configuration file ...
Warning: Setting GRUB_TIMEOUT to a non-zero value when GRUB_HIDDEN_TIMEOUT is set is no longer supported.
Found linux image: /boot/vmlinuz-4.4.0-64-generic
Found initrd image: /boot/initrd.img-4.4.0-64-generic
Found linux image: /boot/vmlinuz-4.4.0-63-generic
Found initrd image: /boot/initrd.img-4.4.0-63-generic
Found linux image: /boot/vmlinuz-4.4.0-31-generic
Found initrd image: /boot/initrd.img-4.4.0-31-generic
Found linux image: /boot/vmlinuz-3.13.0-92-generic
Found initrd image: /boot/initrd.img-3.13.0-92-generic
Found linux image: /boot/vmlinuz-3.13.0-91-generic
Found initrd image: /boot/initrd.img-3.13.0-91-generic
Found linux image: /boot/vmlinuz-3.13.0-88-generic
Found initrd image: /boot/initrd.img-3.13.0-88-generic
Found linux image: /boot/vmlinuz-3.13.0-87-generic
Found initrd image: /boot/initrd.img-3.13.0-87-generic
Found linux image: /boot/vmlinuz-3.13.0-86-generic
Found initrd image: /boot/initrd.img-3.13.0-86-generic
Found linux image: /boot/vmlinuz-3.13.0-85-generic
Found initrd image: /boot/initrd.img-3.13.0-85-generic
Found linux image: /boot/vmlinuz-3.13.0-83-generic
Found initrd image: /boot/initrd.img-3.13.0-83-generic
Found linux image: /boot/vmlinuz-3.13.0-79-generic
Found initrd image: /boot/initrd.img-3.13.0-79-generic
Found linux image: /boot/vmlinuz-3.13.0-77-generic
Found initrd image: /boot/initrd.img-3.13.0-77-generic
Found memtest86+ image: /boot/memtest86+.elf
Found memtest86+ image: /boot/memtest86+.bin
Found Linux Lite 2.8 (14.04) on /dev/sda3
done
Setting up os-prober (1.70ubuntu3.3) ...