If you have just reinstalled Windows on an older IBM or Lenovo ThinkPad, opened up Device Manager
: The laptop may crash, throw a Blue Screen of Death (BSOD), or hang indefinitely when entering or exiting sleep mode. How to Resolve the ACPI\IBM0068 Unknown Device Issue Method 1: Use the Microsoft Update Catalog
ahci 0000:00:1f.2: AHCI 0001.0300 32 slots 4 ports 3 Gbps 0x3 impl SATA mode ... ata3: SATA link up (UltraBay device detected)
Last updated: May 2026. Applies to kernel versions 5.x through 6.12+.
Advanced Configuration and Power Interface (ACPI) handles direct communication between your operating system and computer hardware. The IBM0068 identifier specifically maps to the embedded on the motherboard.
or similar) without actually applying them. If your device is still "Unknown" after running the installer: Device Manager Right-click the Unknown Device and select Update Driver "Browse my computer for drivers." Direct the prompt to search the C:\DRIVERS\ folder where the Lenovo software extracted the setup files.