Use the Lenovo USB Format Tool (usbfmtpw.exe) to prepare a drive. This utility creates a specific partition structure that the BIOS recognizes as a high-priority service tool.
Did you recently or just have "Invalid" BIOS errors? lenovo u1 tool best
Whether you have just replaced a motherboard or need to fix "Invalid" entries in your system configuration, here is everything you need to know about using this tool safely and effectively. What is the Lenovo U1 Tool? Use the Lenovo USB Format Tool (usbfmtpw
