: OEM splash images typically require a standard 24-bit RGB or an indexed 8-bit (256 colors) color depth. Deviating from the expected color depth can cause the motherboard to display a corrupted image, artifacting, or skip displaying the logo entirely. What Does "Patched" Mean?
On consumer-grade Lenovo systems (such as IdeaPad or Legion models), official tools might not support custom logos. Technical users rely on third-party firmware tools like UEFITool or ChangeLogo to open a backup of their BIOS ROM, locate the specific GUID section containing the OEM splash image, replace it with the patched BMP, and flash the modified ROM back to the chip. Critical Risks and Safeguards lenovo oem logo bmp 120x120 patched