Re-verify the image is exactly 120 × 120 pixels.
Used to display the Lenovo logo in the Windows "System" or "About" properties window. This is defined in an OEMInfo.ini file where the path to the Lenovo.bmp is specified. BIOS/UEFI Startup Logo:
Every time you boot your computer, you are greeted by a static logo. For Lenovo users, this is typically the standard, minimalist corporate branding. However, your PC is a reflection of your personal style or corporate identity. Customizing this boot screen by replacing the stock image with a custom Lenovo OEM logo BMP sized exactly at 120x120 pixels is a popular way to personalize a machine.
Lenovo provides official utilities to inject your 120x120 asset into the BIOS update package.
Download a vector or high-resolution PNG of the Lenovo or ThinkPad logo. Ensure it features a solid background (usually pure black #000000 or pure white #FFFFFF ), as legacy BMPs do not support alpha-channel transparency.
Warning: Writing to the EFI partition incorrectly can brick your boot sequence. Always back up the original file first.
While modern systems support JPEG and PNG for wallpapers, the relies on legacy GOP (Graphics Output Protocol) drivers. BMP is a raw, uncompressed format that requires zero decoding logic. The CPU cannot initialize complex codecs (like libjpeg) before the boot loader runs. Consequently, the 120x120 BMP remains the universal standard for OEM branding.
Open Notepad and paste the following registry configuration:
Set the resolution to 72 DPI or 96 DPI (standard screen resolution).
On newer Lenovo laptops using InsydeH2O UEFI: