"Qubes" BOOT option DISAPPEARD in my Bios (thus I can't boot Qubes!), HOW TO BRING IT BACK?

[dokwoep.d...@vfemail.net]

The "Qubes" option in my UEFI bios to boot my Qubes OS located in my
internal HDD, IS GONE, DISAPPEARED COMPLETELY, thus I'm UNABLE TO BOOT
my dear Qubes OS! (it disappeared after I installed another qubes os
in an external drive, using the same computer)

If I use the installation USB containing Qubes OS, I can go with
RESCUE MODE and access all my Qubes files/data. I can also access them
by booting into a live linux OS, example kali linux. SO the internal
HDD is not broken or anything I think.

PLEASE, PLEASE, PLEASE, I BEG YOU, HOW CAN I GO BACK TO ACCESS MY
QUBES OS LOCATED IN MY INTERNAL HDD?!
BASICALLY how can I bring the "Qubes" option in my boot's menu back so
I can boot Qubes as I used to ???!!!

THERE ARE NO OTHER OSes IN MY COMPUTER if you are wondering.

PLEASE HELP ME!


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[pandak...@gmail.com]

did you change your boot option (you know, choosing between legacy or uefi)

[dokwoep.d...@vfemail.net]

Of course not, I did not change any boot setting at all! that is
recipe for disaster!
I have long time ago mastered those settings in my computer, and I can
assure they are not a concern, plus they are currently optimized to
boot any os of my choice.

The "Qubes" boot option I once had disappeared. Though my internal HDD
is still listed as an option, if I try to boot selecting the internal
HDD (since the "Qubes" option is gone) it doesn't boot, it goes to
black screen and then back to the bios like if it didn't find anything
bootable.

HOW CAN I BRING THE "Qubes" boot option back ?!!!!!!!!!!!!! I did some
backups some time ago but not of everything, I don't wanna lose the
missing VMs :(

[Lorenzo Guerra]

Hi,
I had the same problem once in the past: everything was still on HD, but the boot option disappeared in theBIOS. For what is worth, I solved this way. My BIOS allows to manually add a boot option by selecting an EFI file. I did it by selecting "\EFI\qubes\xen.efi". I don't know if this works on your computer and for your system, though.
Wish you good luck,

L. G.

[dokwoep.d...@vfemail.net]

Quoting Lorenzo Guerra <lore...@gmail.com>:


> Hi,
> I had the same problem once in the past: everything was still on HD,
> but the boot option disappeared in theBIOS. For what is worth, I
> solved this way. My BIOS allows to manually add a boot option by
> selecting an EFI file. I did it by selecting "\EFI\qubes\xen.efi". I
> don't know if this works on your computer and for your system, though.
> Wish you good luck,
>
> L. G.

Thank you Lorenzo Guerra, that is exactly my case indeed.
Unfortunately I cannot do the same, but thanks to you I found out what
was missing exactly.
Basically the 500mb partition in the HD which contains all the boot
files, has been corrupted (probably when I installed the second Qubes
OS in an external HD using the same computer), in fact the "efi"
directory was empty.

Since I have no clue on how to solve such a problem, I will do my best
to get back my VMs in the internal HDD by trying to copy the
directories under /var/lib/qubes even though they size from 2x to 4x
times more than the actual size due to a Qubes "bug" (how can
/var/lib/qubes size 1.5 TB when my HDD is only 1 TB ? - now you know
what I mean by "bug" qubes developers!).

[Lorenzo Guerra]

It is strange that the boot section has been corrupted. After a quick search on google, I found this:
https://www.qubes-os.org/doc/uefi-troubleshooting/
Maybe it can be helpful.
Regards,

L. G.