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I can't install Ubuntu or start Ubuntu live on my PC. I have a (ca. 2014) Asus Rampage V motherboard and an Intel i7-5960x CPU. When I want to start Ubuntu from a LiveUSB on this six year old design, I got this message :

Screen pic of boot failure

I tried 18.04 and 20.04 but error is the same.

Yes. It works on Windows 10. I tested cpu with prime95, Realbench and 3dMark and every test was fine. I updated bios on motherboard to Version 4101 - 2019/07/17.

I tried Xubuntu installation, but the system froze during installation. I tried CentOS to with CentOS-8.1.1911-x86_64-boot but result was the same, system froze.

I also tried with Load optimal defaults in Bios, but it didn't help.

This is very similar problem that I have (if not the same) :

Can't install Ubuntu on Asus Rampage Extreme IV

I manage somhow to enter in Live 20.04 and get dmesg:

enter image description here

When I tried to install system from Ubuntu Minimal (mini.iso), installtion stuck on 78% Selecting the kernel to install.... enter image description here

delevic
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2 Answers2

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I manage to boot with kernel option "acpi=off noapic"

enter image description here

and only one core works...

delevic
  • 21
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I just installed 20.10 beta. And it works :) dmesg errors are the same , but it works. enter image description here enter image description here

All cores are active without modification :)

It looks like that developers read this post! Thanks!!

delevic
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