: Never attempt a BIOS update on battery power. If the system dies mid-update, the motherboard could be permanently bricked.

When the logo screen is displayed, press F1 or Fn+F1 to enter the BIOS menu. What's a BIOS and How Does It Work? - Lenovo

Accessing the BIOS on the ThinkPad P1 Gen 4 requires specific timing during the boot sequence or navigating through Windows recovery menus. Method 1: The Interrupt Key (Hardware Method) Turn off your ThinkPad P1 Gen 4 completely. Press the to turn the laptop on.

Follow the wizard. The computer will restart to complete the flashing process. Method 3: Bootable USB (For Linux / Advanced Users)

Close all open programs and run the installer as an administrator.

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By understanding and properly configuring the BIOS on your Lenovo ThinkPad P1 Gen 4, you can maximize your machine's legendary performance while ensuring your data remains locked down and secure. Keep your firmware updated regularly to get the best out of your workstation investment.

What are you currently running (Windows 10, Windows 11, or Linux)?

: To revert all changes, press F9 or navigate to Restart > Load Factory Defaults .

: Enter the BIOS, press F9 to load setup defaults, and press F10 to save and exit. Alternatively, check if a newer BIOS version is available, as Lenovo frequently adjusts thermal fan curves via firmware updates. Issue 4: Device Fails to Boot to the Operating System

Open the Lenovo Vantage app , go to the Dashboard, and click System Update to check for the latest BIOS packages.

Use a tool like Rufus to burn the ISO image to a blank USB flash drive.