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Booting Problem

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HP Elite Desk 800 G3

I have installed new operating system, after completion of installation reboot system and error message seen in my screen Boot device not found and hard disk error (3F0)

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Make, Model and OS please.
SKU: if possible

(System SKU: N6K07EA#ABU)
Please do not post Serial Numbers.

If you installed as a secure boot OS then Grub should just work.

If you installed as Legacy, and the BIOS is looking for a Secure Boot option then....


3F0 usually means a failed HDD, so ESC and F2 diagnostic.



Look at the BIOS options for LEGACY/SECURE and selection of BOOT MANAGER.


BIOS Boot One.pngF5/F6 may re-arrrange the sequence.

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