The "patched" logo typically refers to a custom bitmap image injected into the system's BIOS/UEFI firmware. While Lenovo provides official tools to change the startup image, enthusiasts often use third-party scripts like the Lenovo UEFI Boot Logo Changer on GitHub for greater flexibility. Technical Specifications & Performance

Testing Before Flashing

Use QEMU or a virtual machine with your BIOS image to test the patched logo before real flashing to avoid bricking.

System Properties Branding: To restore the logo in Windows, place the OEMLOGO.bmp file into the C:\Windows\System32 directory. You must then update the Windows Registry at HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\OEMInformation by adding a "Logo" string value that points to that file path.

The term "patched" in this context usually refers to the method of injecting the logo into the BIOS update utility using the Preparation:

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:

Aspect Ratio Stability: The logo won't appear stretched on 4:3 or 16:9 monitors.