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#1 2022-11-07 07:30:07

teslakite
Member
Registered: 2022-11-07
Posts: 3

grub/bios question

hey, i installed debian on a different ssd today, while my ssd with arch was plugged out
when i tried to boot from arch again, my bios for some reason didn't recognize it anymore as a bootable device
lsblk said all my partitions were changed to parted, i changed them back and reinstalled grub and it fixed it
but i'm just curious on how its possible that it got affected while it was plugged out, i'm guessing debian did something to my bios?

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#2 2022-11-07 07:36:25

d.ALT
Member
Registered: 2019-05-10
Posts: 328

Re: grub/bios question

teslakite wrote:

when i tried to boot from arch again, my bios for some reason didn't recognize it anymore as a bootable device

Which disk? Debian's SSD or the AcrhLinux one?

There are a lot of things to check. Is your PC actually a BIOS machine or an UEFI one?


P. S.: is disk correct? Or it's written disc?


<49,17,III,I>    Fama di loro il mondo esser non lassa;
<50,17,III,I>    misericordia e giustizia li sdegna:
<51,17,III,I>    non ragioniam di lor, ma guarda e passa.

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#3 2022-11-07 08:30:07

teslakite
Member
Registered: 2022-11-07
Posts: 3

Re: grub/bios question

d.ALT wrote:
teslakite wrote:

when i tried to boot from arch again, my bios for some reason didn't recognize it anymore as a bootable device

Which disk? Debian's SSD or the AcrhLinux one?

There are a lot of things to check. Is your PC actually a BIOS machine or an UEFI one?


P. S.: is disk correct? Or it's written disc?

didn't recognize my arch ssd, and my pc is UEFI

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#4 2022-11-07 08:43:00

d.ALT
Member
Registered: 2019-05-10
Posts: 328

Re: grub/bios question

teslakite wrote:

my pc is UEFI

!=

Index
    » GNU/Linux Discussion
    » grub/bios question

Anyway, some bad UEFI "implementations" (it varies from PC's / UEFI's Manufacturer) are prone to errors; some more, some just less... Some others always work just fine.
NVRAM entries could be deleted, "forgotten" (or get dirty) when dealing with changing storage order or adding / removing drives.

It also happens on my ASUS PRIME X370-PRO.


<49,17,III,I>    Fama di loro il mondo esser non lassa;
<50,17,III,I>    misericordia e giustizia li sdegna:
<51,17,III,I>    non ragioniam di lor, ma guarda e passa.

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#5 2022-11-07 13:20:27

V1del
Forum Moderator
Registered: 2012-10-16
Posts: 17,620

Re: grub/bios question

The majority of EFIs will remove EFI entries associated with a specific drive if they can't find a drive anymore.  If you want to be able to remove drives without losing the ability to boot them you need to populate the fallback path, which can be done by adding the --removable flag to the grub-install command: https://wiki.archlinux.org/title/Unifie … nced_drive

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