Installed deleted Windows version.
Installed deleted Windows version.
I faced the same issue when attempting to dual boot Ubuntu on my machine—it was really problematic. I ended up having to perform a fresh installation of Windows, so I recommend you do the same.
Yes, the window sticker remains attached to the bottom of the device.
It seems I misread the message—it might have been a duplicate, but I opened it twice by accident.
Did you generate a collection of Recovery Discs with Acer Software? It likely reminded you right away when you brought the machine home and started the initial configuration. Based on my quick Google search, Acer E1 series laptops don’t come with a COA on the case—use the built-in Product Key in the BIOS, which seems restricted to the Acer OS image. Also, don’t be too hard on yourself; it’s a good idea to back up your data whenever you switch between operating systems or upgrade the OS, preferably with a complete HDD image backup.