UEFI boot - how to activate debian ?

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UEFI boot - how to activate debian ?

Postby andy55 » 2018-03-05 21:09

I have some 2.5'' disk from a laptop. It has both Debian and Windows 8 installed. I used mostly Linux but from time to time boot into windows.
I did some laptop fixing and it looks like Grub is not booting anymore and Windows is booting. How do I activate grub again? I can mount this disk to another laptop and do something but what is the something? I am not sure about UEFI on the disk ...
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Re: UEFI boot - how to activate debian ?

Postby Head_on_a_Stick » 2018-03-05 21:32

Please run this command from an Administrator prompt and post the output here:
Code: Select all

This is the recommended repair method:


But we may be able to fix things directly from Windows using `bcdedit`

EDIT: mounting the disk in another laptop won't really help because the UEFI boot entries are stored on the motherboard's NVRAM, the disk (ESP) just holds the .efi loader binaries and (perhaps) configuration files.
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