Static image only. For animated boot screens, look at bootloaders like rEFInd (different use case).
HackBGRT (Boot Graphic Resource Table) is a lightweight, open-source UEFI utility that allows Windows users to replace their motherboard’s default boot logo (usually the OEM’s splash screen) with a custom image. Version 1.5.1 represents a stable, well-documented release that continues to work across Windows 10, 11, and many Linux dual-boot setups. hackbgrt151 high quality
Rating: 4.7/5 – Essential for enthusiasts, but requires Secure Boot management. Static image only
Note for Secure Boot: You must enroll a custom key or temporarily disable Secure Boot. The tool provides a helper (
enroll_key.exe) but this is the most complex step for average users. HackBGRT (Boot Graphic Resource Table) is a lightweight,
OEM boot screens often use a limited color palette (RGB 565, or 16-bit). This causes color banding—visible gradients and blotches in what should be a smooth image. High-quality HackBGRT mods leverage 24-bit true color (RGB 888), eliminating banding for photographic or gradient-heavy logos.