View Full Version : [SOLVED] Reinstall Ubuntu 18.04.1 in Dual boot.

August 3rd, 2018, 05:25 AM
"This computer currently has Windows Boot Manager and Ubuntu 18.04.1 LTS on it ..."

I need to reinstall Ubuntu. Should I proceed with the " erase Ubuntu and reinstall it..." See picture below.

Will Ubuntu be reinstalled along side windows on its own existing partition ext4?
Thank you for your help.


August 3rd, 2018, 10:40 AM
You must use the "Something else" option at the bottom of those choices, then re-install the partitions for Ubuntu as they are at present; any of the other choices risk overwriting the whole disk and potentially losing your Windows system.

It would be more helpful if you could show us a screenshot of a gparted window which you can open from the live ubuntu system you use for re-installing.

Please use the attachment icon (paperclip) in the toolbasr of the Reply window's text-box to add images, rather than adding inline as you did; large images make life difficult for users of mobile devices with small screens.

August 3rd, 2018, 05:52 PM
Why are you reinstalling?

If you have issues, we often like to try to fix them, even though many times reinstall may be quick & dirty solution if you have good backups.
If you do not have backups then repair is a better choice.

August 3rd, 2018, 06:33 PM
Thank you, here it is!



August 3rd, 2018, 06:35 PM
@oldfred (https://ubuntuforums.org/member.php?u=852711)

I have this issue and it is quite disconcerting!


August 3rd, 2018, 08:07 PM
If an upgrade you may still have Unity.
But a new install will be gnome, but you should still have choice on which to use as you log in.

August 7th, 2018, 08:27 PM
I tried to reinstall Ubuntu 18.04 with "Something else" but it failed to install the grub " grub-efi-amd64-signed' package failed to install target " In fact I could not install Ubuntu 18.04 in dual boot at all. So what I did was to delete the Ubuntu partitions in windows10 and install a fresh Ubuntu 16.04 alongside Windows10 only to upgrade it to 18.04 and it worked perfectly.