Installer: BIOS incorrectly detected as UEFI
Bug #1938337 reported by
Mauricio Guerrero
This bug affects 1 person
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
Arch Linux |
New
|
Undecided
|
Unassigned | ||
Ubuntu |
New
|
Undecided
|
Unassigned |
Bug Description
If I use ubuntu 18, this bug does not exist. It detects my laptop as only having a BIOS, not any UEFI.
If I used any ubuntu version higher than that, the installed will detect my computer as UEFI and try to install it on a system that only has a BIOS. So it will not boot and the installer gives an error.
I've also tried this in Manjaro 21. The same bug exists.
So distributions share this bug in common from somewhere.
My suggestion is to always allow selecting BIOS or UEFI, even though it will auto-detect by default. The auto-detect of BIOS/UEFI is where the bug lies.
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For older computers this completely breaks support for installation.
The only workaround I have is installing Ubuntu into a virtual machine, writing the disk image to the physical hard drive. Installing Ubuntu 18 so Grub works with both entries, although i have to use the fallback initramfs option.
or
Install ubuntu 18, Upgrade to 20.xx