If your computer automatically boots into the EFI shell, it cannot find your operating system.
Type the following commands one by one, pressing Enter after each: bootrec /fixmbr bootrec /fixboot bootrec /rebuildbcd Restart your computer. Conclusion
This guide provides an overview of the , specifically regarding the build identifier "512" and the year "2021."
If the motherboard cannot physically detect your SSD or HDD, it cannot read the operating system files. efi shell version 260 512 2021
: Your system is trying to boot from a network or internal shell rather than your hard drive.
When you see a string like EFI Shell version 2.60 [5.12] , it provides important specifics about which firmware component is active. The string is often followed by details like Current running mode 1.1.2 .
Displays the files and directories inside the current folder. ls -b (paged view) cd Changes the current working directory path. cd EFI\Microsoft\Boot cls Clears the command line screen of text. cls reset If your computer automatically boots into the EFI
To help pinpoint the exact fix for your system, let me know:
A disconnected hard drive, a failed SSD, or a loose USB drive that the system is trying to boot from. Incorrect Boot Order:
EFI Shell version 2.60 [260.512] Build dated 2021... : Your system is trying to boot from
The motherboard is not properly communicating with the SSD/HDD. How to Exit or Fix EFI Shell (Step-by-Step)
If you are still unable to boot, you may want to check if your BIOS needs a firmware update from the manufacturer's support site (e.g., ASUS NUC support ). If you'd like, let me know: are you using? Is this a new installation of an operating system?