It’s behind the pasta

When you start your computer, you see the message “Operating System not found.” Which of these would be the best next step to troubleshoot this issue?

A) Rebuild the MBR

B) Run CHKDSK on the boot volume

C) Make sure that no removable storage devices are connected

D) Rebuild the boot sector

E) Run a hardware diagnostics

F) There’s usually an operating system hiding somewhere in the pantry