Maintaining your Lenovo ThinkPad P1 Gen 4 BIOS is essential for stability, security, and performance. This guide covers everything from accessing settings to safely performing updates. 🔑 How to Access BIOS/UEFI Settings The ThinkPad P1 Gen 4 Go to product viewer dialog for this item.
uses a fast boot process, so timing is critical. Use one of these reliable methods:
During Boot (Recommended): Restart your computer. When the red Lenovo logo appears, repeatedly press F1 (or Fn + F1). If that fails, press Enter during the splash screen to open the "Startup Interrupt Menu," then press F1.
From Windows 10/11: If your PC boots too fast to catch the logo, go to Settings > System > Recovery > Advanced startup and click Restart now. Once in the blue menu, select Troubleshoot > Advanced options > UEFI Firmware Settings.
The "Shift" Shortcut: Hold down the Shift key while clicking Restart from the Windows power menu. This takes you directly to the Advanced startup options. 🛠️ Common BIOS Tasks & Optimizations lenovo p1 gen 4 bios
The P1 Gen 4 BIOS Simulator allows you to practice navigating these settings safely before making real changes. Switching Graphics Modes: By default, the
uses "Hybrid Graphics" to save battery. To maximize performance for CAD or gaming, go to Config > Display > Graphic Devices and switch to Discrete Graphics.
Resetting to Defaults: If you encounter stability issues, enter the BIOS, go to the Restart tab, and select Load Factory Defaults (or press F9).
Disabling Battery for Maintenance: If you are upgrading your RAM or SSD, you should first enter the BIOS and select Config > Power > Disable Built-in Battery to prevent short circuits. Popular Topics: BIOS, UEFI - Lenovo Support US Maintaining your Lenovo ThinkPad P1 Gen 4 BIOS
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.
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.
The Lenovo ThinkPad P1 Gen 4 BIOS is a mature, secure, and configurable UEFI environment. Its key strengths are fine-grained Thunderbolt security, dual graphics mode selection, and robust power management. However, limitations include no undervolting (post-Plundervolt), limited S3 sleep support, and a hidden advanced menu that requires workarounds. Part 8: The Future – BIOS and Windows
Final Recommendations:
Report compiled from Lenovo official documentation, P1G4 maintenance manuals, Intel UEFI specifications, and community findings (ThinkPad forums, Reddit r/thinkpad, Linux kernel bugzilla).
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).