Ubuntu

ACPI BIOS error upon installation of Ubuntu

Asked by Tim Fristedt

I'm trying to install Ubuntu on a workstation that already has Windows 10 installed and running fine. The plan is to have a dual boot system.
I plug in a USB drive with the Ubuntu 18.04 LTS image, but I get around ten ACPI errors before the installation has even started, and then my screen just freezes. The errors look like the following:
ACPI BIOS Error (bug): Failure creating [\_SD.12CD.MT2D], AE_ALREADY_EXISTS (20181213/dswload2-324)

Some of them also says:
AE_ALREADY_EXISTS, During name lookup/catalog (20181213/psobject-221)

I have found this thread which is helpful, but I still struggle:
https://askubuntu.com/questions/1093882/unable-to-boot-after-installation-acpi-errors

Do I have to edit grub's settings? This is before anything is installed, so is it the grub files on the USB stick itself I have to edit? Do I do it through the terminal, by pressing 'e' on the boot screen, where I can select to install Ubuntu?

The mainboard of the PC is ASUS PRIME TRX40-PRO, and the BIOS is version 0702, dated 12/12/2019.

Thanks for your help!

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actionparsnip (andrew-woodhead666) said : 		#1

Try the boot option:

acpi=off

I recommend doing the disk resize in Windows to leave unpartitioned space for Ubuntu to use

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Bernard Stafford (bernard010) said : 		#2

Bios: Disable Secure Boot Then: https://askubuntu.com/questions/1031993/how-to-install-ubuntu-18-04-alongside-windows-10

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Tim Fristedt (mc-marinetechnology) said : 		#3

Thanks for your replies!
I figured out how to add acpi=off to Grub by pressing 'e', and I don't get those errors anymore. Great!
But I now get an initramfs error (unable to find a live medium), and the installation halts here.

Secure boot is already disabled, but I will have a closer look at the thread you have provided.

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actionparsnip (andrew-woodhead666) said : 		#4

Did you MD5 test the ISO you downloaded? If you used torrents then this isn't needed

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Tim Fristedt (mc-marinetechnology) said : 		#5

Yes, I have verified the MD5 sum, and it matches the correct one.

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Vanja (vanja-popovic) said : 		#6

Have you found a solution for the initramfs error? I have similar hardware to yours and I am stuck.

Can you help with this problem?

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