Do you have a different size requirement for a different brand? Let me know in the comments below. Disclaimer: Modifying system files requires administrator privileges. Always back up your data before making system changes.
You cannot just rename a .jpg to .bmp . You need to use an image editor.
Unlike other manufacturers that accept JPGs or PNGs, Lenovo’s BIOS and system utilities (like the Registry or System Properties) are notoriously picky. Use the wrong size or color depth, and you will end up with a black box, a stretched mess, or no logo at all.
The Ultimate Guide to the Lenovo OEM Logo: Why It Must Be a 120x120 BMP
If you have ever tried to customize the boot screen or system properties logo on a Lenovo laptop or desktop (ThinkPad, IdeaCentre, Legion, etc.), you have probably run into a very specific and frustrating requirement: the image must be a 120x120 BMP file .
In this post, I’ll walk you through exactly why 120x120 BMP is the magic number, how to create the file, and how to apply it to your Lenovo machine.