How can you completely remove Ubuntu from the laptop?
Format the partition on which you installed Ubuntu.
Repartition and format the hard disk.
How does it work?
How does this work?
How did you get Ubuntu installed if you couldn't do the formatting? There are countless instructions on the Internet, please use one of them.
Sudo fdisk and then some parameters. But you can easily look them up yourself.
Format HDD / SSD.
How does it work
I don't know what to do, what should I look up?
Simply created a bootable usb and installed it on the laptop
In the MAN pages. Call the program name in a terminal with man. The program name here would be fdisk.
Create bootable Windows 10 USB stick and then start from it and delete the partitions.
