Unable to install Ubuntu 18.04 on Alienware Area-51m R2 where as 20.04 worked without any issues

Hi Dell support,

First of all , please provide the OS supportability for this model Alienware Area-51m R2.

We having issue with Installing the Ubuntu 18.04 on this model.

What we did as below

1) Changed the Disk type from BIOS from RAID to AHCI

2) DIsabled Secure Boot

Then flash the USB with Ubuntu 18.04.5 LTS ISO and then boot the machine and from the grub altered nomodeset. This model consist of 4 SSD disk of size 512GB each.

#nvme list
Node SN Model Namespace Usage Format FW Rev
---------------- -------------------- ---------------------------------------- --------- -------------------------- ---------------- --------
/dev/nvme0n1 S65RNE0NC79527 PM9A1 NVMe Samsung 512GB 1 29.64 GB / 512.11 GB 512 B + 0 B 36302029
/dev/nvme1n1 S65RNE0NC79551 PM9A1 NVMe Samsung 512GB 1 17.32 GB / 512.11 GB 512 B + 0 B 36302029
/dev/nvme2n1 S65RNE0NC79616 PM9A1 NVMe Samsung 512GB 1 105.89 MB / 512.11 GB 512 B + 0 B 36302029
/dev/nvme3n1 S65RNE0NC79511 PM9A1 NVMe Samsung 512GB 1 240.09 MB / 512.11 GB 512 B + 0 B 36302029

Wiped the primary drive using

#sgdisk -Z /dev/nvme0n1

Then proceed with Install Ubuntu, and we choose "Erase disk and Install Ubuntu " and then Instlalation started.

We face the error after that as below

"grub-efi-amd64-signed failed installation /target/ Ubuntu 18.04"

Whereas Ubuntu 20.04 worked without any errors.

Thanks

Jaya

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Unable to install Ubuntu 18.04 on Alienware Area-51m R2 where as 20.04 worked without any issues

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