09-04-2019, 04:42 AM
(09-03-2019, 08:21 PM)Littlemaster Wrote: I was installing Ubuntu 18 on it for school purpose.
That might be a issue as Ubuntu bootloader and Windows bootloader are different. You've possibly bricked your hard disc by installing both in the same partition. Use diskpart to check it if you've don't that or not. Mount windows 10 installer on a portable drive then select it at startup.