Hackbgrt-1.5.1 Jun 2026

: HackBGRT is not digitally signed by Microsoft. To use it, you must either disable Secure Boot or use a "shim" bootloader to trust the HackBGRT application.

Execute the setup.exe or batch file provided in the 1.5.1 release. It will typically open a notepad file ( config.txt ) where you can tweak parameters, followed by an image editor (like Paint) for you to paste your custom logo.

Version 1.5.1 is widely considered a "stable" milestone for the project. Unlike earlier experimental builds, this version focused on:

For the most reliable automatic setup, it is recommended to have only one bootable drive connected during installation. Step-by-Step Usage Hackbgrt-1.5.1

The Paint window shows the default HackBGRT logo. To use your own, copy your image and paste it into this Paint window, then save it as splash.bmp . : Ensure your image is a 24-bit or 32-bit BMP file.

On modern UEFI-based computers, the boot logo (often the manufacturer's logo like HP, Dell, or Lenovo) is stored in the Boot Graphics Resource Table (BGRT)

Reversing/uninstall

To understand how HackBGRT-1.5.1 manipulates the startup sequence, it helps to understand the traditional UEFI boot chain compared to the modified one: 1. Traditional Boot Sequence

Further reading

Always test on non-critical hardware first. A failed BGRT mod can be recovered by clearing CMOS, but it’s an annoyance. : HackBGRT is not digitally signed by Microsoft

The custom startup logo on your screen isn't just a picture—it’s the calling card for HackBGRT-1.5.1

❌ You need Secure Boot enabled. ❌ You have a locked corporate BIOS. ❌ You expect a point-and-click tool.

Once you press Install, a window (configuration) and a MS Paint window will open. It will typically open a notepad file ( config

The tool usually opens or your default editor to let you create/paste your custom .bmp or .png logo.