When you build a custom Windows image or refurbish a ThinkPad, that standard black-and-white boot screen can feel a bit clinical. If you’ve been hunting for a file, you likely know that the BIOS/UEFI boot logo is one of the most satisfying "vanity" tweaks you can perform.
The file size might be too large. Even at 120x120, if the bit depth is too high, the BIOS may skip it. Try reducing the image to 256 colors (8-bit). lenovo oem logo bmp 120x120 patched
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: When you build a custom Windows image or