At that resolution, every pixel was a choice. Elias opened his editor and began crafting a minimalist icon—a stylized raven in stark white against a deep black background. He saved it as a standard BMP, but he knew the BIOS wouldn't just accept it. The system was guarded by checksums and signature checks designed to keep the "OEM identity" intact.
Modifying a computer’s Basic Input/Output System (BIOS) or Unified Extensible Firmware Interface (UEFI) used to be a highly technical task reserved for hardware engineers. Today, tech enthusiasts, system integrators, and corporate IT departments frequently modify system firmware to personalize the boot experience. One of the most popular modifications is changing the boot splash screen using a custom logo.
The fan whirred to life. For a heartbeat, the screen remained dark. Then, instead of the rigid, blocky corporate font, his white raven flickered onto the center of the display—crisp, 120x120, and perfectly patched. The machine didn't belong to the manufacturer anymore. It belonged to him. lenovo oem logo bmp 120x120 patched
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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 At that resolution, every pixel was a choice
The boot logo is the first image you see when turning on your computer. For Lenovo users, this is typically the standard red or white Lenovo branding. System builders, IT administrators, and enthusiasts often modify this image using a to personalize the system or match corporate branding.
: Load the firmware dump into UEFITool (an open-source UEFI editing utility). The system was guarded by checksums and signature
To create a proper text for your patched 120x120 Lenovo OEM logo, it's important to differentiate between a BIOS/UEFI boot logo Windows System Information logo
: Historically required to be 16-color or 16-bit depending on the specific BIOS generation. File Size : Typically must be under 30KB to 60KB total.
Open an elevated Command Prompt, navigate to the folder, and execute the installation tool. The software automatically detects LOGO.BMP , validates its structural headers, compresses it into the capsule volume, and writes it to the flash ROM. Using the ThinkPad BIOS Update Utility ( WINUPTP )