If you are running Windows 11 on a Lenovo computer—particularly older ThinkPad models—and notice a yellow exclamation mark in Device Manager labeled with the hardware ID ACPI\VEN_LEN&DEV_0068 (or ACPI\LEN0068 ), you are facing a missing ACPI driver issue. acpi ven len&dev 0068 windows 11
When Windows 11 detects the ACPI VEN LEN&DEV 0068 device, it can:
While Windows 11 includes a massive library of generic drivers, it often fails to automatically pull this specific Lenovo-exclusive driver during the initial setup. This is particularly common on older but capable models like the ThinkPad T440, T460s, or X230 that users are now pushing to Windows 11. The Direct Fix: Lenovo ACPI Driver To clear the error, you need the Lenovo Power Management Driver If you are running Windows 11 on a
Run the downloaded installer file (typically named n1fupa4w.exe or similar).
How to Fix ACPI\VEN_LEN&DEV_0068 Driver Missing on Windows 11 The Direct Fix: Lenovo ACPI Driver To clear