Install Ubuntu20.04 in Dell(ALIENWARE M17 2020):

Question

I want to install ubuntu 20.04 on my laptop

I follow the steps on the official Tutorials: https://ubuntu.com/tutorials/create-a-usb-stick-on-windows#1-overview

Especially, in my first try, I changed the SATA from RAID to AHCI and disable Secure Boot

But, when I boot my computer with the usb, and select ubuntu through the grub loader, the screen appeared as follows

first try

Then, I follow the steps in the link: USB installer: “ Initramfs unpacking failed: Decoding failed”. Unfortunately, I could not find the BitLocker in my Dell, but I disable the Firware TPM in BIOS. Lastly, when I try install Ubuntu, the screen appeared as follows: second try

Answer 1

I strong recommended this https://www.balena.io/etcher/ for usb boot, then installing boot on your laptop, with UEFI, let know me if it is working for you.

Answer 2

I find a funny.

In my second try, when I close my laptop (This means my screen touch my keyboard) and open it, the install will display.

However, the installation will freeze.

My GPU is 2060