This happens if the aspect ratio isn't 1:1. Ensure your 120x120 image isn't being stretched by the "Full Screen Logo" setting in BIOS.
In the world of system administration and PC enthusiast modding, a logo refers to a bitmap (.bmp) image that has been specifically formatted to bypass common BIOS display errors.
In this guide, we’ll break down what this specific file is, why the 120x120 dimensions matter, and how to safely apply a "patched" logo to your Lenovo machine. What is a "Patched" OEM Logo? lenovo oem logo bmp 120x120 patched
At 120x120 pixels , the logo fits the standard "small-form" placeholder used in many Lenovo UEFI firmware layouts. Why 120x120?
Using a file is the best way to give your machine a professional, factory-fresh, or custom look. Whether you are using a vintage T420 or a modern Legion, sticking to the 120x120 constraints ensures the highest chance of success across different firmware versions. This happens if the aspect ratio isn't 1:1
Locate your model's BIOS update folder (usually in C:\DRIVERS\FLASH\ ). Look for a file named LOGO.BMP or USERLOGO.BMP . Replace that file with your .
Modifying your BIOS carries inherent risks. Always ensure your laptop is plugged into power before attempting these steps. 1. The Official Lenovo Way (WinFlash/Flash Update) In this guide, we’ll break down what this
Ensure "Do not write color space information" is checked. BIOS readers are very primitive and will reject files with modern metadata headers. Troubleshooting Common Issues
Standard images often fail to load during the boot sequence because they don't meet strict header requirements. A patched logo is pre-processed to ensure:
BIOS splash screens generally cannot decompress files; the BMP must be raw.