A user powers on a desktop computer, and the following error appears on the monitor: OS not found. The user notes there are no visual indications of an error. A reboot yields the same result. Which of the following is the MOST likely cause of the issue?
A) The system partition is set to active.
B) A USB flash drive that contains offline diagnostics is plugged in.
C) The CD-ROM drive contains a Windows setup disk.
D) The boot order has changed.

Question

Quizplus · Accepted Answer

The error "OS not found" typically indicates that the computer is not booting from the correct drive where the operating system is installed. If the boot order has changed, the system might be trying to boot from a device that doesn't have an OS, leading to this error.

A User Powers on a Desktop Computer, and the Following