How to Remove a Second Operating System from a PC. A dual boot, or multi-boot, system consists of two or more operating systems loaded on the same or different hard disks.

If you're only using one of the two operating systems on your PC, why bother with that menu every time you boot?

How to Delete Two Operating System Choices on Startup. Upon booting up, Windows may offer you multiple operating systems from which to choose. This may occur because you previously used multiple ...