You must create your custom image in 24-bit or 32-bit BMP format (usually called "24-bit bitmap" or "32-bit bitmap").
: It only changes the vendor logo; it does not alter Windows-specific loading animations or spinners. shim.md - Metabolix/HackBGRT - GitHub
Complete Guide to HackBGRT: Personalize Your Windows UEFI Boot Logo
Run setup.exe again and press r to remove it. Conclusion hackbgrt151
“It violates the Windows license agreement.” Fact: Modifying the boot logo is not a license violation; it’s a user customization. However, Microsoft doesn’t provide support for systems using it.
: Specifically designed for modern computers using UEFI firmware. Simple Customisation
The single biggest risk is rendering your system . If the HackBGRT installation is interrupted, the configuration is incorrect, or the boot entries are deleted, your computer may fail to start and display a black screen or a "Boot Device Not Found" error. Microsoft’s Q&A forums are full of users who have accidentally deleted the HackBGRT folder or misconfigured settings, leading to a frantic search for a recovery method. You must create your custom image in 24-bit
: Unzip the downloaded package to a folder on your system
[Power On] ➔ [UEFI Firmware Loads] ➔ [HackBGRT Overwrites RAM Image] ➔ [Windows Bootloader Displays Custom Logo]
This image is displayed before the operating system (like Windows or Linux) even starts loading, creating a seamless, branded boot experience. What is a "HackBGRT" Attack? Conclusion “It violates the Windows license agreement
: Users have reported success using it on various versions of Windows, including Windows 11 , provided manual steps like assigning a drive letter to the EFI partition are followed. The Bad: Risks and Technical Hurdles
Firmware detected BGRT mismatch. Fix: Re-enter UEFI → Disable Secure Boot completely, or enable “Custom Mode” if available.
: Version 1.5.1 sometimes struggles to automatically assign a letter to the EFI partition, requiring users to use Diskpart or manual command-line configurations.