Hackbgrt151 Site

Cause: Windows Update replaced bootmgfw.efi. Fix: Re-run HackBGRT151 setup. The tool retains your BMP in C:\Windows\System32\.

Advanced users can run HackBGRT151 silently using command-line arguments:

hackbgrt151.exe /install /image:"D:\mybootlogo.bmp" /quiet

Some implementations include a DKMS module that loads early (via initramfs) to patch the BGRT before the kernel’s native driver claims it.

Do not download from random forums. The official release is typically hosted on GitHub under the Metador91 or similar trusted repositories. Look for the hackbgrt151.zip file. Verify the SHA-256 checksum if provided.

As of 2026, Microsoft has not shown any intention of blocking boot logo customization. However, future updates to Secure Boot or the introduction of Pluton security processors could theoretically break tools like HackBGRT151. The developer community remains active, and a "HackBGRT152" or "HackBGRT200" may emerge.

For now, HackBGRT151 remains the gold standard.

Using tools like HackBGRT modifies critical boot parameters. While generally safe when used correctly, improper use can lead to boot loops or system instability. Users are advised to create a system restore point or have a recovery drive available before attempting to modify boot graphics.

Note: This text is for informational purposes. Modifying system boot files carries inherent risks.

HackBGRT is an open-source tool designed to change the boot logo on UEFI-based Windows systems. Version 1.5.1, released in August 2018, is a legacy version of this utility that allows users to overwrite the default vendor or Windows logo displayed during startup by modifying the Boot Graphics Resource Table (BGRT). Key Requirements & Precautions

Before using HackBGRT 1.5.1, verify that your system meets these technical criteria to avoid potential boot failures:

UEFI Mode: Your system must use UEFI (not Legacy BIOS). You can verify this by searching for "System Information" (msinfo32) in Windows and checking the BIOS Mode field.

Secure Boot: This must typically be disabled in your UEFI settings for the tool to function, as Secure Boot blocks unsigned bootloader modifications.

Backup: It is highly recommended to create a System Restore Point or a full disk backup before installation, as incorrect configuration can make the system unbootable. Releases · Metabolix/HackBGRT - GitHub

"hackbgrt151" refers to version 1.5.1 of HackBGRT, an open-source utility designed to change the Windows boot logo on UEFI-based systems.  Product Summary 

Purpose: Replaces the default manufacturer (OEM) logo with a custom 24-bit BMP image by modifying the Boot Graphics Resource Table (BGRT) in the UEFI firmware. System Requirements: UEFI-based Windows systems.

Secure Boot must typically be disabled (though later versions include a "shim" for better compatibility). hackbgrt151

BitLocker should be handled with caution as boot modifications can trigger recovery prompts.  Key Features of Version 1.5.1  Based on documentation for version 1.5.1: 

Customization: Allows users to set a custom bitmap image and adjust its position (x, y coordinates) on the screen.

Setup Utility: Includes a setup.exe that facilitates the installation of the EFI binary to the EFI System Partition (ESP).

Troubleshooting Logs: Generates a setup-log.txt to help users diagnose issues if the custom logo fails to appear during the boot sequence.  Critical Usage Warnings 

Boot Failure Risk: Improper installation or configuration can make the system unbootable. It is highly recommended to create a rescue disk before use.

Secure Boot: If Secure Boot is active, the system may report a "Security Violation" unless the HackBGRT hash is enrolled via a tool like MOKManager.

Limited Scope: It only changes the vendor logo; it does not alter Windows-specific loading animations or spinners.  shim.md - Metabolix/HackBGRT - GitHub

is a utility designed to replace the standard Windows boot logo with a custom image on UEFI-based systems. It functions by modifying the Boot Graphics Resource Table (BGRT) in the system’s EFI partition. Core Functionality

: Overrides the default OEM or Windows logo during the boot process. System Requirements : Requires a UEFI-based firmware (Legacy BIOS is not supported). Security Requirements Secure Boot

must generally be disabled for HackBGRT to function, as it modifies the bootloader path. Installation & Configuration Aug 27, 2563 BE —

HackBGRT: Personalise Your Windows Boot Screen HackBGRT is a popular open-source utility designed to let users replace the default Windows boot logo with a custom image. Unlike many system tweaks, HackBGRT works by modifying the Boot Graphics Resource Table (BGRT)

in UEFI-based systems, offering a cleaner way to personalise your PC's startup. Key Features of HackBGRT UEFI Support

: Specifically designed for modern computers using UEFI firmware. Simple Customisation

: Allows you to use any image, typically as a 24-bit BMP file named splash.bmp Reversible Changes

: You can easily restore the original boot logo by running the setup file and choosing the "remove" option. Lightweight Cause: Windows Update replaced bootmgfw

: It operates as a tiny EFI application that loads before Windows. Prerequisites for Installation

Before using HackBGRT, ensure your system meets the following requirements: How to Change Windows 10's Boot Logo! (HackBGRT Tutorial) 26 Aug 2020 —

HackBGRT 1.5.1 is a specific version of a boot logo changer designed for UEFI-based Windows systems. It allows users to bypass the manufacturer's default startup logo (like Lenovo or Dell) and replace it with a custom image by modifying the ACPI BGRT (Boot Graphics Resource Table). Key Features Customization

: Users can replace the default boot splash screen with any 24-bit BMP image. Compatibility

: It is intended for systems that boot using UEFI rather than legacy BIOS. Automation

: The tool can automatically mount the EFI System Partition (ESP) to perform the necessary file modifications. Flexible Configuration

: Users can specify image positioning (x/y coordinates) and even randomize multiple boot images via a config.txt Usage Overview

To use version 1.5.1, the contents are typically extracted from a zip file, and the

is run as an administrator. The installer provides a command-line interface where users can choose to install, disable, or configure the tool. During installation, it often opens MS Paint to allow the user to immediately resize or save their desired boot image (recommended size is often 300x300 pixels). Safety and Requirements : It will not function on systems using legacy BIOS. Secure Boot

: Secure Boot usually must be disabled for HackBGRT to function, as it modifies the boot process.

: If the boot process fails, the tool includes scripts to restore the original Windows boot loader. or a link to the official repository

HackBGRT - Windows boot logo changer for UEFI systems - GitHub

HackBGRT is intended as a boot logo changer for UEFI-based Windows systems. Esp.cs - Metabolix/HackBGRT - GitHub

* EFI System Partition mounter. ... * Constructor: do nothing. ... * Destructor: unmount. ... * Try to find ESP at a path. ... * @ config.txt - Metabolix/HackBGRT - GitHub

HackBGRT 1.5.1 is a version of the popular open-source UEFI boot logo changer designed for Windows systems. It allows users to replace the standard Windows boot logo or the manufacturer's vendor logo with a custom image by modifying the Boot Graphics Resource Table (BGRT) during the startup process. What is HackBGRT? Some implementations include a DKMS module that loads

HackBGRT is a free utility that targets UEFI-based computers. On these systems, the boot logo is typically stored within the UEFI firmware, making it difficult to change permanently. HackBGRT works as a custom UEFI application that overwrites the BGRT image in memory each time the computer boots, displaying your chosen graphic instead. Key Features of Version 1.5.1

While newer versions like 2.0.0 and 2.5.1 have introduced more advanced features such as automatic image conversion (supporting PNG, JPG, and GIF) and updated shim support for newer Windows updates, version 1.5.1 remains a widely cited "legacy" version known for its simplicity.

Custom Image Support: Enables the use of any 24-bit BMP image as a boot logo.

UEFI Compatibility: Designed specifically for 32-bit and 64-bit x86 UEFI systems.

Simple Setup: Uses a command-line interface where users can install, disable, or remove the tool by pressing specific keys (e.g., 'I' for install).

Automated Mounting: The tool automatically mounts the hidden EFI system partition to allow users to place their custom splash.bmp file. How to Use HackBGRT 1.5.1 To use this version, users generally follow these steps: How To Change The Windows 11/10 Boot Logo

HackBGRT version 1.5.1 is an open-source UEFI application designed to replace the default Windows startup logo by modifying the Boot Graphics Resource Table (BGRT). As a legacy tool, it often requires Secure Boot to be disabled and involves modifying the EFI System Partition to inject custom BMP images. More details are available in the HackBGRT GitHub documentation HackBGRT - Windows boot logo changer for UEFI systems

HackBGRT version 1.5.1 is a legacy tool for users looking to customize the UEFI boot logo on Windows systems, though it has since been superseded by more robust versions like HackBGRT 2.0+. The Good: Simple and Creative

Customization: It effectively bypasses the difficult-to-change vendor logos stored in UEFI firmware by using a custom UEFI application to overwrite the Boot Graphics Resource Table (BGRT).

Lightweight: The tool is highly specialized and doesn't require heavy background processes; it simply replaces the boot logo during the startup sequence.

Compatibility: 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

Installation Friction: 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.

Potential for Boot Issues: Because it replaces the Windows boot loader (bootmgfw.efi), incorrect configuration can lead to a system that won't boot without a repair disk.

Secure Boot/TPM Conflicts: It often requires disabling Secure Boot or special handling for TPM, which can lower system security.

Outdated Image Handling: Unlike newer versions, 1.5.1 has stricter requirements for image formats and sizes, often requiring manual conversion to specific BMP formats.

Verdict: While version 1.5.1 is a classic for hobbyists, it is recommended to use the latest releases on GitHub for better stability, automated image conversion, and support for Secure Boot via shim. HackBGRT - Windows boot logo changer for UEFI systems

Here’s the core feature it provides: