The BIOS (Basic Input/Output System) for the Lenovo ThinkPad P1 Gen 4 (Type 20Y3, 20Y4) Go to product viewer dialog for this item.
manages the core hardware settings and system startup. Key information regarding its access, configuration, and updates is summarized below. Accessing and Navigating the BIOS
Access Key: Power on or restart the system and immediately press F1 (or Fn+F1) several times when the Lenovo logo appears to enter the UEFI BIOS menu.
Boot Menu: Press F12 during startup to access the temporary Boot Menu, allowing you to choose a startup device without changing the permanent boot order.
Self-Healing: This model features a Self-Healing BIOS, which can automatically recover from corruption by reverting to a backed-up version. Critical BIOS Settings Drivers & Software - Lenovo Support
To manage the BIOS on your Lenovo ThinkPad P1 Gen 4 , you can use the following methods to enter the setup utility, update your firmware, or change boot settings. How to Enter the BIOS Setup
There are two primary ways to access the BIOS menu on the ThinkPad P1 Gen 4: Function Key Method: Power on the laptop and immediately press ) repeatedly when the Lenovo logo appears Windows Settings Method: If you are already logged into Windows: Restart now under "Advanced startup." Troubleshoot Advanced options UEFI Firmware Settings Updating the BIOS
It is critical to keep your BIOS updated to ensure system stability and security. You can find the latest drivers and BIOS updates on the Lenovo Support Page Lenovo Vantage: The easiest way to update is via the Lenovo Vantage app
, which automatically checks for and installs the correct BIOS version for your specific model. Manual Update:
Download the "BIOS Update Utility" (usually an .exe file) from the support site, close all programs, and run the installer.
Ensure your laptop is plugged into power during this process. Common BIOS Tasks Change Boot Order: lenovo p1 gen 4 bios
To boot from a USB drive or different disk without entering the full BIOS, press ) during the logo screen to open the Security Settings: Inside the BIOS, you can enable or disable the chip, manage supervisor passwords, and configure Secure Boot Configuring Performance: You can toggle settings for Intel Virtualization Technology (VT-x) or adjust the settings for better battery life or maximum performance. BIOS Troubleshooting Forgotten Password:
If a Supervisor Password is set and forgotten, the motherboard may need to be replaced, as Lenovo does not provide a "backdoor" for security reasons. Black Screen After Update:
If the system fails to boot after an update, try a "flea power" drain: disconnect the AC adapter, press and hold the power button for 60 seconds, then reconnect and try to power on. configuring RAID settings within the P1 Gen 4 BIOS? An easy guide to BIOS - ThinkPad P1 - Lenovo
When the logo screen is displayed, press F1 or Fn+F1 to enter the BIOS menu.
Recommended ways to enter BIOS for Lenovo Desktops and All-In-Ones
This guide covers how to access, update, and manage the BIOS (UEFI) for the ThinkPad P1 Gen 4 . 1. How to Access BIOS There are several ways to enter the BIOS on a ThinkPad P1 Gen 4
, depending on whether you are at boot or already in Windows. During Boot (Recommended): Turn on the system or restart it. When the Lenovo logo appears, repeatedly tap the F1 key.
Note: On some configurations, you may need to press Enter first to interrupt startup and then select F1 from the menu. From Windows 10/11 Desktop: Go to Settings > System > Recovery. Under Advanced startup, click Restart now.
After the PC restarts to a blue menu, select Troubleshoot > Advanced options > UEFI Firmware Settings > Restart.
Quick Shift-Restart: Hold the Shift key while clicking Restart from the Windows Power menu to jump directly to the "Choose an option" recovery screen. 2. Updating the BIOS The BIOS (Basic Input/Output System) for the Lenovo
Lenovo provides several official methods to keep your firmware up to date. Always ensure your laptop is plugged into AC power before starting.
Lenovo Vantage (Easiest): Open the Lenovo Vantage app, go to the Dashboard, and click System Update to check for the latest BIOS packages.
Manual Download: Visit the Lenovo Support site, enter your serial number, and download the BIOS Update Utility (EXE) or the Bootable CD (ISO).
Memory Retraining Warning: After an update, the screen might stay blank for several minutes while "memory retraining" occurs. Do not force power off if you see LED indicators (Esc, F1, F4) blinking. 3. Key BIOS Settings & Navigation The
uses a modern UEFI interface that supports both keyboard and mouse navigation.
BIOS Update (Utility & Bootable CD) for Windows 11, 10 (64-bit)
The BIOS (UEFI) on the Lenovo ThinkPad P1 Gen 4 provides critical controls for its high-performance hardware, allowing you to manage everything from power-hungry graphics to advanced security features. Key BIOS Features
Graphics Switching: A vital feature for this model, allowing you to switch between Hybrid Graphics (uses integrated Intel UHD for efficiency) and Discrete Graphics (forces the NVIDIA GPU for maximum performance).
Save Custom Defaults: You can back up your preferred BIOS settings as "Customized BIOS Defaults," which is useful for quickly restoring a specific stable configuration after a reset.
Virtualization Support: Provides toggles for Intel Virtualization Technology (VT-x) and VT-d, necessary for running virtual machines or certain security features like Windows Hyper-V. Method 2: Keyboard Shortcut
Keyboard Customisation: Includes a "Fn and Ctrl Key swap" feature under Config > Keyboard/Mouse, allowing you to change the physical layout behavior of these two keys.
Power & Battery: Options to disable the built-in battery temporarily (for safe internal repairs) and configure "Fast Startup".
Security & Device Control: Toggle specific hardware like Bluetooth, Wi-Fi, or the camera on or off at the hardware level. How to Access BIOS ThinkPad X1 Extreme Gen 4 / P1 Gen 4 User Guide - Lenovo
You can use this for a blog, a user guide, or a support FAQ.
Microsoft’s upcoming Windows 11 2024 Update (24H2) requires BIOS UEFI 2.3.1c and Secure Boot enabled. The P1 Gen 4 BIOS (v1.24+) ships with these features ready. To future-proof:
Doing this now prevents the "This PC Can't Run Windows 11" error later.
Lenovo issues regular BIOS updates via:
fwupd)Key recent versions (as of early 2026):
| Version | Release Date | Key Changes | |---------|--------------|--------------| | 1.25 | March 2025 | Fix for Intel ME security vulnerability; improved battery threshold accuracy | | 1.28 | July 2025 | Added support for Windows 11 24H2; fix for USB-C display flicker | | 1.30 | December 2025 | Optimized fan curves for RTX A5000; fixed Thunderbolt 4 enumeration | | 1.31 | March 2026 | Security patch for LogoFAIL; improved S3 sleep stability |
Critical Note: BIOS updates are irreversible on P1G4 (no rollback to versions prior to 1.20 due to Intel Boot Guard).
Warning: If you downgrade from a version that patched a serious vulnerability (like Spectre v2), you are reverting that security fix.