[Bug 1900224] Re: Is it impossible to install legacy boot? Is efi compulsory? I have not found a way to install on older computers.

[Jordan Williams]

Same here. My laptop only supports legacy BIOS, no UEFI. The installer
won't load by itself. I worked around this with Ventoy, which supports
legacy BIOS by default, and booted the installer from there. Of course,
restarting after the installation just leads to the BIOS outputting
"Operating System Not Found" making my workaround completely useless.

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https://bugs.launchpad.net/bugs/1900224

Title:
  Is it impossible to install legacy boot? Is efi compulsory? I have not
  found a way to install on older computers.

Status in ubiquity package in Ubuntu:
  Confirmed

Bug description:
  Grub constantly fails to install on legacy boot systems

  ProblemType: Bug
  DistroRelease: Ubuntu 20.10
  Package: ubiquity 20.10.11 [modified: lib/partman/automatically_partition/question]
  ProcVersionSignature: Ubuntu 5.8.0-23.24-generic 5.8.14
  Uname: Linux 5.8.0-23-generic x86_64
  ApportVersion: 2.20.11-0ubuntu50
  Architecture: amd64
  CasperMD5CheckResult: pass
  CasperVersion: 1.452
  CurrentDesktop: KDE
  Date: Sat Oct 17 08:49:29 2020
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/kubuntu.seed maybe-ubiquity quiet splash ---
  LiveMediaBuild: Kubuntu 20.10 "Groovy Gorilla" - Beta amd64 (20201016)
  RebootRequiredPkgs: linux-image-5.8.0-23-generic
  SourcePackage: ubiquity
  UpgradeStatus: No upgrade log present (probably fresh install)

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