Customizing Your Boot Experience: The Lenovo OEM Logo Patch Guide
: Modifying BIOS files using unapproved third-party tools typically voids the manufacturer warranty.
: If the logo appears scrambled, skewed, or shifts diagonally, the color depth or padding format is incorrect. Re-save the BMP file using a strict 24-bit RGB format without color space profiles or RLE compression embedding. lenovo oem logo bmp 120x120 patched
: A 1:1 square aspect ratio prevents stretching or distortion when the UEFI scales the image on widescreen displays. Technical Specifications for the BMP File
Look for a folder containing LOGO.BMP or instructions regarding user-defined logos. Customizing Your Boot Experience: The Lenovo OEM Logo
: Right-click the identified OEM logo resource block inside UEFITool, select Replace Body , and navigate to your patched 120x120 BMP file.
Modifying BIOS assets carries risk. Flashing a corrupted or incompatible "patched" BMP can result in a bricked laptop that fails to POST (Power On Self Test). It is crucial to ensure the image format matches the specific model's requirements exactly. : A 1:1 square aspect ratio prevents stretching
: Ensure the new patched BMP does not exceed the byte size of the original image space in the ROM partition. Overwriting adjacent code blocks will corrupt the firmware.
Modifying your BIOS carries inherent risks. Always ensure your laptop is plugged into power before attempting these steps. 1. The Official Lenovo Way (WinFlash/Flash Update)