What to Select on GRUB-PC Configuration “Install Devices”

Posted on September 17, 2019 at 1:30 pm

Today when I did an “apt-get dist-upgrade” I received this:

Looks like GRUB-PC was updated and now it asks:

What do you want to do about modified configuration file grub?

I selected “Keep the local version currently installed”.

Then it happeared another window asking this:

I pressed the SPACEBAR key to select (see the asterisk) the first entry:

/dev/sda (10737 MB, PersistentDisk)

And then I pressed ENTER key and all went well.

Basically, the first entry /dev/sda is the real hard disk and needs to be checked.

The second one is a partition and is not good to install GRUB there.

If you have multiple hard disks use “lsblk” to spot where is the root partition.

Search devices labeled “disk” (i.e. “sda”, meaning /dev/sda) to install GRUB into the MBR.

Every physical disk device has only one MBR, no matter the partitions.

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