Sometimes a new BIOS harms more than it helps. For example, BIOS version 1.18 broke audio over USB-C for some users. Lenovo allows rollback, but with restrictions.
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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: Sometimes a new BIOS harms more than it helps