: Restart your laptop and repeatedly tap F1 as soon as the red Lenovo logo appears.
Updating the BIOS on a high-end workstation is not optional—it is mandatory. Lenovo releases updates roughly every 2-3 months for the P1 Gen 4. lenovo p1 gen 4 bios
Once inside the BIOS (Interface date: 2022-2024 versions), you will see tabs across the top: . : Restart your laptop and repeatedly tap F1