Lenovo, like HP and Dell, stores this logo in a hidden section of the UEFI (Unified Extensible Firmware Interface) BIOS. However, for the logo to be recognized by Windows Boot Manager (bootmgfw.efi), it must be placed in a specific location: the .
For a file used as a Lenovo OEM logo, you generally want high contrast and simple shapes to ensure clarity at such a small resolution. Recommended Visual Concepts lenovo oem logo bmp 120x120