> I reported a bug that occurs in both Ubuntu Unity 20.10 and Xubuntu
> 20.10 and which prevents me from installing either OS on my computers:
>
> https://bugs.launchpad.net/ubuntu/+source/ubiquity/+bug/1915152
>
> It seems that the Ubiquity installer *requires* an EFI System
> Partition (ESP) even if being installed on a BIOS-based system with an
> MBR hard disk.
>
> None of my PC computers use UEFI. I do own 2 with UEFI but I run them
> in legacy BIOS mode with MBR-partitioned disks.
>
> So they do not have UEFI system partitions.
>
> Multiple retries of reinstallation of 20.10 always fail because of this.
>
> My bug report has attracted no attention so I wanted to ask if anyone
> had tried this in 21.04 yet?
>
> I do not want to repartition and reformat the HDDs of several
> computers just to install a new release of Ubuntu. :-(
>
> --
> Liam Proven
Hi Liam,
I just want to know if it is not possible for you to allocate around 200-500M and mark it as 'EFI System Partition' as the installer is requesting? It doesn't require major re-partitioning, doesn't have to be the first partition, it can also be extended partition. I checked putting EFI partition as an extended partition and it installs and boots properly. Tools like Gparted would help you do this without affecting your already existing partitions.
That said, if you really don't want to create an EFI parition, you can consider using Lubuntu. It uses Calamares, not ubiquity and as such is not affected by this bug. I did few BIOS mode (MBR parition) installs today, without an EFI partition and it installs and boots without any issue.
Regards,
Sai
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