Windows 10: EFI Boot Install Security CCTV Call Police Car in Japan Anderson JP Louder Say Description...

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multi-boot with win10 installed and uefi secure boot

I finally got everything to work after days of fighting with windows, efi, and secure boot.

For posterity, here is what I did. This install is on a second internal hdd.

1. Install Ubuntu in the desired location, using the windows efi partition as the boot partition for the new Ubuntu install.
   
2. Use efibootmgr from Ubuntu (this can be done from a LiveCD) to move ubuntu ahead of the Windows Boot Manager in the boot order.
   
3. Log in to Windows and run bcdedit /set {bootmgr} path \EFI\ubuntu\grubx64.efi. (check this path on your machine to make sure that's where the grub efi file is)
   
4. Go into BIOS (or EFI manager or whatever it is) and add the grubx64.efi as a trusted efi file. NOTE: I had to set a BIOS password to be granted access to efi secure boot settings.
   

This has been working for a few days now and persists regardless of the last OS I have logged in to. It was even working with a second Ubuntu install.

Each of these steps is obviously simplified. You should have no problem searching the internet to get help with each individual step. My problem was that I didn't know what I needed to do. I'm not sure the order matters for steps 2-4, although it's probably easiest to do step 2 before you exit the installation (if you use the 'try ubuntu' option and start the install from there).

Many thanks to those who helped me with this. I would have been at my wit's end without someone at least asking some questions to keep me trying.

 

EFI partition keeps saying hidden, cant boot winodws

trying to finalize my windows install but it wont boot to the final step...asked other forums but we cant get passed the "hidden info"

this is a brand new ssd disk with a new windows install, used rufus with windows iso.

 

cctv cammera

I suggest that you contact the CCTV manufacturer and ask them for installation instructions.

Cheers.