Ubuntu 12.04 Precise Pangolin failing to boot because of UEFI

Ubuntu 12.04 Precise Pangolin struggled to boot up after being installed on a Lenovo ThinkServer that features UEFI. Installer automatically created a FAT32 partition for UEFI, however Lenovo ThinkServer refused to boot up, complaining about no operating system being installed on that particular disk.

Amending boot mode in BIOS to “Legacy” instead of “EFI” and then proceeding with manual partitioning (e.g. root / and linux swap) during Ubuntu installation fixed the problem.

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