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HP EliteBook Folio 9470m Notebook PC
Microsoft Windows 10 (64-bit)

Hello Community,

My HP laptop - HP ElitrBook Foliov9470m just suddenly when Powered on, 

Display the message “Boot Device Not Found

please install an operating system on your hard disk - (3F0)

And When I do BIOS Setup Menu with key F10 - to My system configuration to Boot Option I do not see Legacy Support option to Enable/Disable it.

Kindly, help what should I do?

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