ThinkPad P1 Gen 4 Go to product viewer dialog for this item.
This guide covers how to access, update, and manage the BIOS (UEFI) for the . 1. How to Access BIOS There are several ways to enter the BIOS on a ThinkPad P1 Gen 4
- Modern Standby (S0ix) is default. To switch to S3:
Timing is everything when trying to enter the BIOS. Use one of these reliable methods: The Classic Method: Turn on your laptop and, as soon as the Lenovo logo appears, repeatedly press The Interrupt Menu: If you're too slow for the F1 key, press
Security & enterprise notes
Important:
The P1 Gen 4 may also have a "Smart CMOS" feature. After clearing, the first boot will take 2-3 minutes—this is normal as it re-trains memory.
Shift
Hold the key while selecting Restart from the Power menu.
She tried everything: Windows power settings, disabling Turbo Boost, repasting the CPU, even a fresh OS install. Nothing worked. The laptop would run fine for an hour, then suddenly plummet to “slow-motion mode” until a reboot.
Key recent versions (as of early 2026):
Critical BIOS Settings for the P1 Gen 4
