Re: Debian will not boot any more, wrong UUID

[Hans <hans.ullrich@loop.de>]

Hi David,

> 
> AIUI Windows 11 still works, so the notebook computer is not bricked;
> but it no longer plays nice with dual-boot Windows 11 and Debian on the
> NVMe drive.
> 

Yes, as Debian can not be booted any more, due to the wrong UUID of the root 
device.
> 
> I am curious if and what the Windows 11 update did to the notebook
> computer firmware and/or NVRAM settings.  It would be helpful to know
> the Microsoft Knowledge Base number(s) for the update(s).
> 
> 
It overwrote the BIOS setting from AHCI to RAID and let this menu point 
disappear in the BIOS.

> It seems the notebook came with AMI firmware, but the OP replaced it
> with alternate firmware:
> 
>      https://www.insyde.com/products
> 

NOPE, it came original with INSYDEH20 BIOS, NOT an AMI BIOS.
> 
> If the OP did change the firmware, I am curious if InsydeH2O® UEFI BIOS
> is supported on that specific manufacturer and model notebook computer,
> how the OP obtained InsydeH2O® UEFI BIOS, how the OP installed it, and
> if the OP knows how to reinstall the original firmware.
> 

Nope, it is factory original.
> 
> If I want to boot my Dell Precision 3630 (UEFI-only firmware) using a
> USB flash drive containing:
> 
>      debian-11.6.0-amd64-netinst.iso
> 

Tried this, but no success.

> Or boot a SATA SSD or a USB flash drive containing a working Debian UEFI
> instance, I must enter the firmware Setup utility, create a boot entry
> for the specific instance, and move the entry to the top of the boot
> order.  It is unclear if the OP's notebook computer requires similar
> steps or if the OP attempted them.
> 


Nope, tried this, too. No success.
> 
> David


Thanks for help, David!

Best regards

Hans