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Re: changed laptop disk -> PXE-E61 & PXE-M0F errors / BootDevice Not Found

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On 18.01.2022 03:44, Vincent Lefevre wrote:
> I tried to change my laptop disk following the instructions found at
> https://askubuntu.com/questions/260777/how-to-migrate-an-encrypted-lvm-install-to-a-new-disk
>
> I'm not sure I did everything right as there are some mistakes and
> not everything is clear.
>
> In particular, with cfdisk, I initially chose the gpt label type
> because this was the default, so that I thought that this was OK.
> But "grub-install /dev/sdb" complained ("this GPT partition label
> contains no BIOS Boot Partition; embedding won't be possible.
> [...]"). So I changed it to MBR with gdisk as explained on
> https://unix.stackexchange.com/questions/61142/remove-gpt-default-back-to-mbr
>
> Note: /dev/sdb corresponds to the new disk connected via a SATA-USB
> adapter for the transfer.
>
> Then "cfdisk /dev/sdb" showed:
>
>                                   Disk: /dev/sdb
>             Size: 931.51 GiB, 1000204886016 bytes, 1953525168 sectors
>                         Label: dos, identifier: 0x00000000
>
>      Device       Boot       Start          End     Sectors   Size  Id Type
>      /dev/sdb1                2048      1050623     1048576   512M  83 Linux
>      /dev/sdb2             1050624   1953525134  1952474511   931G  8e Linux LVM
>
> This ended up with the following:
>
> # grub-install /dev/sdb
> Installing for i386-pc platform.
> Installation finished. No error reported.
>
> # update-grub
> Generating grub configuration file ...
> Found background image: /usr/share/images/desktop-base/desktop-grub.png
> Found linux image: /boot/vmlinuz-5.15.0-2-amd64
> Found initrd image: /boot/initrd.img-5.15.0-2-amd64
> Found linux image: /boot/vmlinuz-5.15.0-1-amd64
> Found initrd image: /boot/initrd.img-5.15.0-1-amd64
> Warning: os-prober will not be executed to detect other bootable partitions.
> Systems on them will not be added to the GRUB boot configuration.
> Check GRUB_DISABLE_OS_PROBER documentation entry.
> done
>
> Then I unmounted everything related to /dev/sdb.
>
> But after changing the disk and booted, instead of getting GRUB,
> I got PXE-E61 and PXE-M0F errors, and also
>
> ────────────────────────────────────────────────────────────────────────
> BootDevice Not Found
>
> Please install an operating system on your hard disk.
>
> Hard Disk - (3F0)
>
> F2 System Diagnostics
>
> For more information, please visit: www.hp.com\go\techcenter\startup
> ────────────────────────────────────────────────────────────────────────
>
> Note that the disk itself is recognized since the system allowed me
> to do a quick check on it (no errors).
>
> So, what could be wrong?
>
It looks like you've forgot to mark boot partition (/dev/sdb1 ?) as 
'Active'.
It is necessary to do for DOS\MBR-style partition table, so stage-2 
bootloader could be found during boot process.

You've got PXE-* errors because BIOS tried to boot from network using 
PXE\BOOTP and failed.

-- 
With kindest regards, Alexander.

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changed laptop disk -> PXE-E61 & PXE-M0F errors / BootDevice Not  Found Vincent Lefevre <vincent@vinc17.net> - 2022-01-17 23:50 +0100
  Re: changed laptop disk -> PXE-E61 & PXE-M0F errors / BootDevice Not  Found "Alexander V. Makartsev" <avbetev@gmail.com> - 2022-01-18 00:20 +0100
    Re: changed laptop disk -> PXE-E61 & PXE-M0F errors / BootDevice Not  Found Vincent Lefevre <vincent@vinc17.net> - 2022-01-18 01:20 +0100
    Re: changed laptop disk -> PXE-E61 & PXE-M0F errors / BootDevice Not  Found Vincent Lefevre <vincent@vinc17.net> - 2022-01-18 16:30 +0100

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