Restarting the system appears to be a potential fix for the "No boot device found" error. According to the results, changing the Boot List Option from Legacy to UEFI in BIOS settings, enabling Legacy Option ROMs in BIOS settings, and enabling the Secure Boot Enable setting in BIOS may help resolve the issue.
Additionally, reinstalling the Windows 10 operating system may also help.
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If you pressed a key to reboot, the error would remain, and the SSD did not show up in the BIOS nor the one time boot menu. Once you actually hard reboot the system (press and hold power) , the drive would show up and allow you to boot into windows.
System randomly crashing to "-No boot device found..." screen
Follow the steps below to reinstall Windows 10 or higher: From a power off state, power on the system and Press F2 at the Dell logo to boot into the…
No boot device found error - Dell
1-Force the computer to shut down 2 times until you get windows Troubleshooting > Advanced Options: A-Startup repair. B-If you have a system restore point, perform a system restore. https://support. microsoft.com /en-us/windows/rec...
How to fix No bootable device -- Please restart system?