root@this:/# sudo apt-get install --reinstall grub-pc
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following extra packages will be installed:
  grub-common grub-pc-bin grub2-common
Suggested packages:
  multiboot-doc grub-emu xorriso desktop-base
The following packages will be upgraded:
  grub-common grub-pc grub-pc-bin grub2-common
4 upgraded, 0 newly installed, 0 to remove and 526 not upgraded.
Need to get 3,233 kB of archives.
After this operation, 98.3 kB of additional disk space will be used.
Do you want to continue? [Y/n] Y
Get:1 http://be.archive.ubuntu.com/ubuntu/ trusty-updates/main grub-pc amd64 2.02~beta2-9ubuntu1.1 [173 kB]
Get:2 http://be.archive.ubuntu.com/ubuntu/ trusty-updates/main grub-pc-bin amd64 2.02~beta2-9ubuntu1.1 [882 kB]
Get:3 http://be.archive.ubuntu.com/ubuntu/ trusty-updates/main grub2-common amd64 2.02~beta2-9ubuntu1.1 [501 kB]
Get:4 http://be.archive.ubuntu.com/ubuntu/ trusty-updates/main grub-common amd64 2.02~beta2-9ubuntu1.1 [1,677 kB]
Fetched 3,233 kB in 21s (154 kB/s)                                             
Preconfiguring packages ...
(Reading database ... 193010 files and directories currently installed.)
Preparing to unpack .../grub-pc_2.02~beta2-9ubuntu1.1_amd64.deb ...
Unpacking grub-pc (2.02~beta2-9ubuntu1.1) over (2.02~beta2-9) ...
Preparing to unpack .../grub-pc-bin_2.02~beta2-9ubuntu1.1_amd64.deb ...
Unpacking grub-pc-bin (2.02~beta2-9ubuntu1.1) over (2.02~beta2-9) ...
Preparing to unpack .../grub2-common_2.02~beta2-9ubuntu1.1_amd64.deb ...
Unpacking grub2-common (2.02~beta2-9ubuntu1.1) over (2.02~beta2-9) ...
Preparing to unpack .../grub-common_2.02~beta2-9ubuntu1.1_amd64.deb ...
Unpacking grub-common (2.02~beta2-9ubuntu1.1) over (2.02~beta2-9) ...
Processing triggers for man-db (2.6.7.1-1) ...
Processing triggers for install-info (5.2.0.dfsg.1-2) ...
Processing triggers for ureadahead (0.100.0-16) ...
Setting up grub-common (2.02~beta2-9ubuntu1.1) ...
Setting up grub2-common (2.02~beta2-9ubuntu1.1) ...
Setting up grub-pc-bin (2.02~beta2-9ubuntu1.1) ...
Setting up grub-pc (2.02~beta2-9ubuntu1.1) ...
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-3.13.0-52-generic
Found initrd image: /boot/initrd.img-3.13.0-52-generic
Found linux image: /boot/vmlinuz-3.13.0-24-generic
Found initrd image: /boot/initrd.img-3.13.0-24-generic
Found memtest86+ image: /boot/memtest86+.elf
Found memtest86+ image: /boot/memtest86+.bin
done
root@this:/#