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For decades, PC enthusiasts and IT professionals have sought to personalize the boot experience of Lenovo laptops and desktops. Whether it’s a corporate branding requirement, a digital signage project, or simply the desire to replace the default "Lenovo" splash screen with a custom image, one specific file format has become the holy grail of low-level customization: the .
Ensure is checked if available.
| Parameter | Requirement | | :--- | :--- | | | 120 x 120 pixels (square) | | DPI | 72 (default, but ignored by BIOS) | | Bit Depth | 24-bit (16.7 million colors) OR 8-bit (256 colors) | | Compression | None (uncompressed) | | File Header | Standard BITMAPINFOHEADER (40 bytes) | | Orientation | Bottom-up (default BMP format) | | File Name | Usually LOGO.BMP , Lenovo.bmp , or OEMLOGO.bmp (case-sensitive on some BIOS versions) | | Background | Solid black (#000000) is recommended to blend with POST screen borders |
: 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
The term "oem logo" can also be used interchangeably with the larger, full-screen logo that appears when the computer first starts up. This is a more technical process because the logo is part of the device's firmware (BIOS/UEFI). Unlike the Windows OEM logo, there's no single, guaranteed size for boot logos.
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
Look for the configuration file, usually named WINFLASH.EXE , Flash.bat , or a .LOG directive. Step 3: Execute the Patch Open Command Prompt as an . Navigate to your folder: cd C:\LenovoBIOS For decades, PC enthusiasts and IT professionals have
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.
The utility will verify the image, ask for confirmation, and reboot to flash the new logo. Alternative: Automated Tools
Download the official BIOS update utility executable from the Lenovo support website for your specific model. | Parameter | Requirement | | :--- |
Do you already have a if a recovery is needed? Share public link
Large organizations should consult legal counsel before deploying patched BIOS logos on managed endpoints.
Crop and resize the canvas to exactly 120 width by 120 height. Change the mode to "Indexed Color" instead of RGB. Set the maximum number of colors to 16 or 256.
The term "Lenovo OEM logo BMP 120x120 patched" refers to a specific type of logo image used by Lenovo for their OEM products. Here's a breakdown of what each part of the term means:
The term "patched" refers to the method used to inject this custom image into the system: