Locate the sub-module containing the small OEM graphics. Right-click the section, select Replace Body , and navigate to your patched 120x120 BMP file.
You cannot simply rename a file. You need one of the following patched utilities:
Here is where the magic happens. A stock or vanilla OEM logo BMP is digitally signed or checksummed by Lenovo. If you try to replace the default logo with any custom BMP—even one that perfectly adheres to the 120x120 BMP spec—the BIOS will detect a mismatch and either: lenovo oem logo bmp 120x120 patched
do you want to use? (e.g., custom logo, image, or text) Lenovo OEMLOGO.BMP image request - Thinkpads Forum
The boot logo is the first image you see when turning on your computer. For Lenovo users, this is typically the standard red or white Lenovo branding. System builders, IT administrators, and enthusiasts often modify this image using a to personalize the system or match corporate branding. Locate the sub-module containing the small OEM graphics
This method changes the very first image you see when you start your computer. It is riskier and can affect your system's stability.
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. You need one of the following patched utilities:
Changing the logo that appears when you first turn on the computer is more complex and involves "patching" the BIOS update utility. Image Specifications : Usually must be under 60KB (older models under 30KB). (standard 16-color BMP is most compatible for older BIOS). Resolution
You might wonder, "Why not just use a UEFI boot manager like rEFInd or systemd-boot?" Those load after the UEFI firmware POST screen. The lenovo oem logo bmp 120x120 patched crowd wants to replace the very first image that appears when you press the power button.