Do you mean DOS or an NT command prompt? AFAIK, most BIOS updates are done in either DOS or GUI Windows. A command prompt only NT is a bit tricky, and not very useful anyway. A DOS booting USB stick ...

Having bootable media ready can be a real lifesaver when you need to do a clean installation of Windows. Thankfully, it's easy to set that up. There are two main ways to create bootable media for a ...