Lenovo distributes BIOS updates as .exe or .cab files. You can extract the original 120x120.bmp using tools like:
To replace the boot logo with your own design (e.g., a personal brand or a cleaner Lenovo logo):
Warning: Writing to the EFI partition incorrectly can brick your boot sequence. Always back up the original file first.
IT departments deploying second-hand or refurbished Lenovo laptops often want to replace the Lenovo splash with a company logo or a "Property of [Company Name]" notice.
This paper examines the technical and practical considerations for creating and using a 120×120 BMP image of the Lenovo OEM logo. It covers image format selection, pixel-level constraints, color and palette management for BMP files, scaling and anti-aliasing techniques, branding and legal usage guidelines, and optimization for embedded systems and firmware. Recommendations and a sample workflow are provided to produce a high-quality 120×120 BMP suitable for OEM deployment.
Many Lenovo laptops/desktops (ThinkPad, IdeaCentre) allow custom boot logo via:
Steps (general):
ℹ️ Some newer UEFI Lenovo systems require 256‑color or specific 8‑bit BMP. Check your model’s documentation.
The "Lenovo OEM logo BMP 120x120" may seem like an obscure technical detail, but it represents a gateway into low-level system customization. Whether you want to remove corporate branding, silence a garish boot screen, or restore a vintage IBM logo on a second-hand ThinkPad, understanding the precise requirements of this tiny bitmap file empowers you to take control.