Pavilion dv7-4177nr BootManager missing

I Hane a Pavilion dv7-4177nr with a black screen that reads "BOOTMGR is missing".

Press Ctrl + Alt + Del to restart"when I press on that nothings happens goes back to the black page with previous registration.

Help, please!

Checkurtech,
I don't have the windows dvd, but when based on atl, ctl, delet before it comes back to the same screen, I hit F11 and this has led to the restoration of hp
settings and from there, I did a factory restore.
Thank you very much for your willingness to help! I really enjoyed.

Tags: Notebooks

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