convert input.png -resize 120x120 -type TrueColor BMP3:LENOVO_LOGO.BMP
So Marta downloaded from the support site. She created a 120x120 BMP (exactly 120x120, 24-bit), named Logo.bmp , and used the tool to flash it into the BIOS of one test machine. lenovo oem logo bmp 120x120
Here are variations of the Lenovo branding often used for these specific dimensions: convert input
That size, Marta learned, was the standard for Lenovo’s legacy UEFI framebuffer during early boot. Larger images would be ignored; smaller ones would tile incorrectly. Even 121 pixels wide would fail silently. lenovo oem logo bmp 120x120