grub repair fails on dual boot

[Liam Proven]

On Tue, 2 Apr 2024 at 20:16, <ubuntu-users-list at thomas.freit.ag> wrote:
>
> after some Windows 10 updates, dual boot (Windows 10 and Ubuntu 23.10) does not work any more on my Lenovo Ideapad 5. After turning on, grub does not get invoked and it boots directly into Win
> 10. This happens sometimes, booting a USB live system and reinstalling grub usually works fine. However, this time reinstalling does not work. After attempted repair, still no grub is loaded
> on bootup and system ends in BIOS or boots Win 10 (depending on boot order).

Have you disabled secure boot?

Have you disabled Windows Bitlocker?
>
> 2) prepare the live system for grub (re)installation, make sure chroot has all necessary stuff
> # cryptdisks_start nvme0n1p6_crypt
> Starting crypto disk...
> nvme0n1p6_crypt (starting)...Enter passphrase for /dev/nvme0n1p6:
> nvme0n1p6_crypt (started)...done.


Hey hey hey whoah there.

You didn't mention disk encryption.

1. Don't dual boot with disk encryption.
2. Better still, don't use disk encryption.

You did not tell us about a *HUGE* and vital part of the deal here.
All bets are off.

What is encrypted, how, why?

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