A user downloads the official Lenovo BIOS update utility (e.g., WinUpTp.exe WinFlash64.exe ) and extracts it rather than running it immediately. Injection: The custom is placed in the same directory as the utility. Command-line Patching:
: To fit within small firmware storage regions, the image file size is often strictly limited, frequently to under 30KB or 60KB depending on the model generation .
A version refers to a BIOS image (or a boot logo injection tool) where the digital signature verification has been bypassed, disabled, or replaced. Alternatively, it can refer to a pre-modified LOGO.BMP file that includes a fake checksum compatible with older Lenovo BIOS versions. lenovo oem logo bmp 120x120 patched
Acquire a 120x120 BMP logo. You can create one or find patched examples in specialized forums like the ThinkPads Forum .
For older models or systems where the official utility blocks modifications, developers manually patch the raw ROM file. A user downloads the official Lenovo BIOS update utility (e
That night, Alex discovered a forum post from 2012: “lenovo oem logo bmp 120x120 patched” —a hacked bootres.dll that allowed custom OEM logos even on UEFI systems. It was dangerous, unsigned, and perfect.
The file size must be small enough to fit within the designated space in the firmware, usually under 50KB. Why "Patched"? The Importance of the Customization A version refers to a BIOS image (or
When saving, select Save As > BMP . In the advanced options, ensure the color depth is set to 24-bit Bitmap (or 8-bit if you are modifying a legacy Lenovo system). Ensure no color-space embedding or advanced RLE compression is turned on. Methods for Patching the Lenovo OEM Logo
Run the BIOS update command via an Administrator Command Prompt. The utility will read the custom LOGO.BMP , validate its format and size, patch it into the ROM payload, and prompt you to reboot to finalize the firmware update. Method 2: Advanced UEFI Tool Patching (For Experts)
Dump your system's current BIOS image or extract the pure .FL1 / .bin capsule from the official update packages.