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 ...

Booting the computer system involves loading an operating system from the various boot devices like drivers, network, and USB drives when the computer is switched on. Once the startup sequence ...

All this is assuming you can still boot into Windows 11/10 in a regular way. If you cannot, the only way is to use a bootable USB drive. You can then use the advanced recovery. Reset Windows Format ...