Save your 120x120 Lenovo image as oemlogo.bmp . Move the File: Place it in C:\Windows\System32\ .
# Draw a red rectangle (Lenovo brand color approximation) draw.rectangle([20, 40, 100, 80], fill="#E2231A") lenovo oem logo bmp 120x120
Warning: Writing to the EFI partition incorrectly can brick your boot sequence. Always back up the original file first. Save your 120x120 Lenovo image as oemlogo
Lenovo Logo Red Color Palette with Hex & RGB Codes - SchemeColor Always back up the original file first
Using the wrong format can lead to the logo simply not appearing or, in the case of BIOS modifications, failing to load during boot. Exactly 120 x 120 pixels for system properties. Format: Standard Windows Bitmap (.BMP).
Some Lenovo models (e.g., ThinkPad X240) expect a in the VRAM buffer. If you get a small logo displayed in the corner, your BIOS is scaling. Create a full-frame 800x600 black BMP with your 120x120 logo centered.
On a factory-shipped Lenovo machine, the file is often located in the system directory, typically at: C:\Windows\System32\oemlogo.bmp