ACPIBIOSError on Minic PC: Symbol [SB.UBTC.RUCC]

Troubleshooting ACPIBIOSError on New Minic PC: Could Not Resolve Symbol [SB.UBTC.RUCC]

Abstract: Users report encountering the ACPIBIOSError when attempting to install Ubuntu 22.04 on a new minic PC with pre-installed Windows 11 Pro. This article provides suggestions for troubleshooting this issue.

Created: 2024-03-04 by UserComp.com Editors

Troubleshooting ACPI BIOS Error (SB.UBTC.RUCC) on a New Mini PC: Could Not Resolve Symbol

If you've recently purchased a new mini PC pre-installed with Windows 11 Pro and have encountered an ACPI BIOS Error (SB.UBTC.RUCC) while trying to install Ubuntu 22.04, you're not alone. This error can be frustrating, but it is possible to resolve it with some troubleshooting. In this article, we will cover the key concepts related to this error and provide a detailed guide on how to fix it.

Understanding the ACPI BIOS Error

ACPI (Advanced Configuration and Power Interface) is a set of standards that allows the operating system to communicate with the system firmware. The BIOS (Basic Input/Output System) uses ACPI tables to provide information about the system's hardware and power management capabilities. When there is an error in these tables, the system may not boot correctly, resulting in an ACPI BIOS Error.

The error message "Could Not Resolve Symbol" indicates that the system firmware is unable to locate a specific symbol in the ACPI table. In this case, the symbol is "SB.UBTC.RUCC". This error is often caused by a compatibility issue between the operating system and the system firmware.

Resolving the ACPI BIOS Error

To resolve the ACPI BIOS Error and install Ubuntu 22.04 on your new mini PC, you can try the following steps:

Update the system firmware: Check the manufacturer's website for the latest BIOS update for your mini PC. Installing the latest BIOS version may resolve the compatibility issue and fix the ACPI BIOS Error.
Disable ACPI in the BIOS: Restart your mini PC and enter the BIOS setup. Look for the ACPI option and disable it. Save the changes and exit the BIOS. This will disable the ACPI tables and may allow Ubuntu 22.04 to install correctly.
Use the "nomodeset" kernel parameter: When booting Ubuntu 22.04 from a live USB, press the "E" key to edit the boot parameters. Add the "nomodeset" parameter to the end of the linux line and press "Ctrl+x" to boot. This will disable the kernel mode setting and may allow Ubuntu 22.04 to install correctly.

Code Block: Disabling ACPI in the BIOS


1. Restart your mini PC and press the key to enter the BIOS setup (usually F2, F10, or DEL).
2. Navigate to the ACPI option and disable it.
3. Save the changes and exit the BIOS.

The ACPI BIOS Error (SB.UBTC.RUCC) can be a frustrating issue when trying to install Ubuntu 22.04 on a new mini PC pre-installed with Windows 11 Pro. However, by updating the system firmware, disabling ACPI in the BIOS, or using the "nomodeset" kernel parameter, you can resolve the error and successfully install Ubuntu 22.04.

References

ACPI Specification, Revision 6.4, October 2021, https://uefi.org/sites/default/files/resources/ACPI_6_4_final.pdf
Ubuntu Community Help Wiki, "ACPI Problem Detected", https://help.ubuntu.com/community/ACPIPointer
Arch Linux Wiki, "ACPI", https://wiki.archlinux.org/title/ACPI

Tags: ACPIBIOSError Minic PC Windows 11 Ubuntu Troubleshooting

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