[Solution] Reboot and select proper boot device error after blue screen
Windows generated an error during operation, which resulted in a blue screen. During the blue screen, Windows could not collect all the information. Or it took too long and we had to press the reset button on the computer to restart the machine. Unfortunately the following message appeared during the restart:
"reboot and select proper boot device"
You have to go to the BIOS (press the delete key several times on the keyboard at startup or the key indicated on the screen).
Then in the start menu, we put the hard disk on which Windows is in the first position.
Then we restart and this time Windows should start.
If that doesn't work, shut down the computer. Unplug the hard drives. Restart the computer. Wait for the Bios to send you on a shell command. Turn off the computer again then reconnect the hard drives, changing their position (alternating the connection cables). Turn on the PC and check that the hard disk on which the operating system is located is in position number 1 in the boot section of the BIOS. Finally restart the machine.
If it still doesn't work, it may be a hardware problem. Or the boot.exe file is damaged, it must then be repaired by launching the Windows installer and selecting "Windows repair".
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