Lenovo UEFI firmware has strict requirements for custom logo files. Deviating from these specifications will cause the BIOS update utility to reject the image or fail to display it.
Enthusiasts and technicians often seek to change this image for:
Which does your machine use (InsydeH2O, Phoenix, or AMI)? 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
While many users "patch" the logo within Windows via registry edits, others perform a deeper "patch" at the BIOS/UEFI level. Lenovo UEFI Boot Logo Changer - GitHub Lenovo UEFI firmware has strict requirements for custom
If you are trying to display the Lenovo logo in the Windows "About your PC" section, the specific standard for older versions (like Windows 7/Vista) and some registry hacks for Windows 10/11 is a 120x120 pixel BMP file Microsoft Learn C:\Windows\System32\oemlogo.bmp : 24-bit Bitmap (BMP). Registry Integration file with the following content to apply it:
Save the newly reconstructed BIOS image. Use firmware verification tools to ensure that checksums are mathematically aligned and that the file size hasn’t shifted by even a single byte. do you want to use
Modifying BIOS files carries inherent risks.
In the PC enthusiast community, , both using a specific image format and size to override the generic "Lenovo" branding with something unique. Below, we will break down exactly what this phrase means, why the numbers "120x120" matter, how to achieve the "patch," and the tools you need to do it safely.