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My Lenovo laptop runs Windows 8 and Linux Mint with GRUB bootloader. Today, I have deleted Mint partition from Windows and by mistake shut down my laptop instead of rebooting it. Now I cannot change my boot priority to load from dvd. Is there any way to unlock BIOS, and boot into any OS?

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2 Answers 2

Hybrid Boot is basically a Logoff + Hibernation. In Hibernation the access to BIOS is disabled to avoid resume issues. Start the Windows 8 again and select reboot or press Shift and press the shutdown button in the Charms to do a full shutdown.

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up vote 0 down vote accepted

I accidentally found the solution when I ejected the battery preparing to disassemble the laptop.

It somehow reseted this shutdown thing. Then I just booted from disc and restored the MBR.

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