Accessing the BIOS on the P1 Gen 4 is straightforward, but the window of opportunity is narrow due to the laptop's fast NVMe boot speeds.
As of early 2024, the latest BIOS version for the P1 Gen 4 is typically in the 1.xx series (often around 1.27 or newer, depending on the exact model variant like 20Y4 or 20Y5). lenovo p1 gen 4 bios
Symptom: "Boot Device Not Found." Solution: Enter BIOS > Config > Storage > VMD Controller. Set to Disabled. The Intel Volume Management Device (VMD) driver is required for RAID, but it hides NVMe drives from legacy bootloaders. Disabling VMD reveals the drive. Accessing the BIOS on the P1 Gen 4
The Lenovo ThinkPad P1 Gen 4 is a powerhouse. As part of Lenovo’s prestigious mobile workstation lineup, it bridges the gap between the sleek form factor of the X1 Extreme and the raw compute power required for CAD, 3D rendering, and AI modeling. Under the hood of this Intel 11th Gen H-series-powered device lies its brain: the Lenovo P1 Gen 4 BIOS (Basic Input/Output System). Set to Disabled
Whether you are a professional trying to squeeze out every ounce of performance, an IT administrator managing a fleet of devices, or a user trying to fix a boot failure, understanding the BIOS is non-negotiable. This article will walk you through every critical aspect of the P1 Gen 4’s firmware—from accessing it and navigating its hidden menus to updating it safely and solving common configuration errors.