Acpi Ibm0068 Here

What is ACPI IBM0068?

IBM0068 is the PNP (Plug and Play) ID for the ThinkPad UltraBay Hot-Swap Controller. It appears in the ACPI namespace of IBM/Lenovo ThinkPad laptops (T40/T60/X60 era through early X/T series) to manage the UltraBay – a swappable bay for optical drives, secondary batteries, hard drive caddies, or serial/parallel port adapters.

If you see this as an "Unknown Device" in Device Manager, you typically need to install the following software from the official Lenovo Support site Lenovo Power Management Driver: The specific driver package for ACPI\IBM0068 Lenovo Power Manager / Vantage: The user interface for controlling power settings. System Interface Foundation: acpi ibm0068

Monitor live events when you release the latch: What is ACPI IBM0068

To resolve the issue and satisfy Device Manager, you need to supply Windows with Lenovo's proprietary power management driver. 1. Avoid Third-Party Driver Updaters If you see this as an "Unknown Device"