While users may never want to have to rely on them, it’s comforting to know that PCs running modern operating systems have fail-safes and recovery modes that can help get the system back up and running when disaster strikes. Back in the day, PCs came with a collection of floppy disks or a recovery CD that would reinstall the OS from scratch.

Source: Hot Hardware – How To Access Apple M1 Macs’ Hidden Boot Modes That Can Bail You Out Of Jam