The computer won't boot. How to fix?

Question

Computers

We inserted a usb flash drive, after that the computer turned off and stopped booting into Windows, it immediately enters bios, what's the problem? It seems to me that after that the ssd disk was no longer visible.

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Answer 1

The problem was solved on its own, and they did not understand why it happened, he did not stand for a long time and turned on. The flash drive was naturally turned off and all usb devices, but it still went into the BIOS when loading and could not do anything

Answer 2

So in the end - the disk is in the BIOS or not?
Apparently the system does not see it. maybe he just passed out

Answer 3

Look at the order in Boot → Boot Option Priorities