I’ve just installed Ubuntu on an SSD with the intention of setting it up to dual boot with a preexisting installation of Windows 10 on the same SSD but I’m encountering a problem. The problem is very similar in description to the one described in this question which, unfortunately, has not been answered.
When I select to boot into Windows 10 from GRUB, Windows immediately starts doing “Automatic repairs”. The first time that this happened, it finished and rebooted; when I tried to boot Windows again, it was “doing automatic repairs” again for a while, but this time upon completion of the repairs Windows told me that it could not find a fix (and allowed me access to a menu with various troubleshooting options including the command line, resetting Windows, etc.).
Even if I can’t recover Windows 10, I need to know why Windows 10 was messed up by my Ubuntu installation so that I can reinstall both without this issue reoccurring. (I didn’t have any important data on the Windows installation.)
If it’s relevant, I chose to install the boot loader onto the entire disk (
dev/sda) rather than just onto the partition where Ubuntu is installed (which is