Bmp 120x120 Patched: Lenovo Oem Logo
| Level | What it Changes | Difficulty | Risk | | :--- | :--- | :--- | :--- | | | The logo in Windows System Properties | Simple | None | | Level 2: UEFI/BIOS Boot Logo | The logo shown immediately after you turn on the PC | Advanced | High |
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:
: Move your LOGO.BMP (or LOGO.JPG / LOGO.GIF ) into the extracted BIOS folder (e.g., C:\DRIVERS\FLASH\[Version] ). Flash the Logo :
: Right-click the identified OEM logo resource block inside UEFITool, select Replace Body , and navigate to your patched 120x120 BMP file. lenovo oem logo bmp 120x120 patched
An Original Equipment Manufacturer (OEM) logo is the image displayed during the Power-On Self-Test (POST). On Lenovo systems (ThinkPad, IdeaPad, Legion, ThinkCentre), this is typically a static bitmap embedded within the UEFI/BIOS firmware.
If your model does not support Vantage customization, the 120x120 patched method remains the only option.
Download the official for your specific Lenovo model from the Lenovo Support website. | Level | What it Changes | Difficulty
Flashing a patched BIOS is the single most dangerous software modification for a PC. If the patched logo causes a validation error during boot, the system may hang indefinitely with a black screen.
Cause: Incorrect BMP byte order (BGR vs RGB). Convert your BMP to use BGR color space (standard for Windows BMP). Use ImageMagick : convert input.png -colorspace sRGB -type TrueColor -compress none logo.bmp
: Ensure "BIOS Back Flash" is enabled in your BIOS settings if you are flashing the same version already installed on your machine. Lenovo UEFI Boot Logo Changer - GitHub An Original Equipment Manufacturer (OEM) logo is the
Keep the patched BMP under 10KB to ensure it fits the ROM padding.
The "120x120" image usually refers to the logo added to the Windows System Information. "Patching" means replacing the default image with a custom one.
Download the official BIOS update utility for your specific model from the Lenovo Support portal. Run the installer to extract the files to a local directory (typically C:\DRIVERS\FLASH\ ). Cancel the actual flashing process when the installer finishes extracting.
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:
Verify that row order is set to bottom-up (standard BMP format). Deployment via Official Lenovo Deployment Tools

