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Mike, who loves music, has recently borrowed a USB drive from his friend to copy over a new album. He leaves the USB drive plugged in the machine and turns it off for the night when he's done. When he tries to boot up his laptop the next day, it shows the code "OS Not Found." What could be the problem in this situation?

A incorrect boot sequence

In the BIOS, the machine configures the OS boot list. It specifies the sequence in which it can search for an operating system. It will look for device files here first. If none are detected, or if they are corrupted, this message can be shown If the USB drive is classified as having a higher priority.