Hackbgrt-1.5.1 -

HackBGRT v1.5.1 is a specialized UEFI boot logo changer designed specifically for Windows systems running on UEFI-based hardware. It allows users to replace the standard Windows boot logo (typically the blue Windows flag or the manufacturer's logo) with a custom image of their choice. Key Features and Purpose

Customization: Enables a personalized boot experience by allowing custom BMP images to be displayed during the startup process.

Compatibility: v1.5.1 is precompiled for both 64-bit and 32-bit x86 UEFI architectures, as detailed on the Arch User Repository (AUR).

Methodology: Instead of modifying the Windows kernel, HackBGRT functions as a UEFI application that interacts with the Boot Graphics Resource Table (BGRT) before the operating system loads. Technical Overview

HackBGRT is widely recognized as a "boot-time injector." Because modern Windows versions (Windows 10 and 11) utilize UEFI BGRT to display logos, this tool intercepts that process.

Source Code: The project is open-source and hosted on GitHub under the Metabolix/HackBGRT repository.

License: It is distributed under the MIT License, making it free for personal use and modification.

Dependencies: On Linux-based installers or management systems like Arch, it often requires efibootmgr to manage UEFI boot entries. Version 1.5.1 Specifics

While newer versions may exist, version 1.5.1 remains a stable reference point for many users. You can find the specific release download for this version directly on the official GitHub releases page. Safety and Requirements

UEFI Only: This tool does not work on older BIOS (Legacy) systems; it requires UEFI boot mode and a GPT partition table.

Secure Boot: Generally, Secure Boot must be disabled for HackBGRT to function, as the custom bootloader is not typically signed by Microsoft.

Risk Factor: Modifying bootloaders carries an inherent risk. Users are always advised to have a "system repair disc" or a bootable Windows USB drive ready in case the system fails to boot after installation.

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

, a specialized tool for UEFI systems that lets you swap out the standard Windows boot logo for anything you want.

Here is a short story about a user who took customizing their PC a bit too far. The Logo in the Machine

Leo lived for the "clean setup." His desk was cable-managed to within an inch of its life, and his desktop icons were strictly forbidden. But every morning, the same thing ruined his mood: the factory-default manufacturer logo staring at him during boot-up. It was a corporate blemish on his digital sanctuary. He found the solution in a folder named HackBGRT-1.5.1 . Following the official guide on Trio MDM , he dove into the BIOS to disable Secure Boot , the first step in reclaiming his screen.

For the image, Leo didn’t want a logo. He wanted a warning. He spent hours in Paint, as the GitHub instructions

suggested, crafting a 24-bit BMP. It was a stylized, neon-blue eye that seemed to track movement. He ran the

, the command prompt flickered, and the files moved to the EFI partition. "Rebooting," Leo whispered.

The screen went black. Then, instead of the boring old logo, the neon eye snapped open. It was perfect. But as the system transitioned to the Windows lock screen, a bright flash lit up his room—a common glitch reported by other HackBGRT users

That night, Leo woke up to his PC turning on by itself. The neon eye wasn’t just a logo anymore; it was glowing with an intensity the software shouldn't have been capable of. He tried to mash the keys to enter the BIOS and undo the change, but his access keys didn't work —the eye just stared back, refusing to let him in.

He realized too late that when you hack the very first thing your computer sees, sometimes it decides what wants to see next. Learn more

Can no longer get into bios · Issue #52 · Metabolix/HackBGRT - GitHub

is a specialized utility designed to change the UEFI boot logo on Windows systems. Version

is a legacy release from 2018 that remains popular among specific enthusiast circles for its straightforward method of overwriting the bootloader, despite newer versions introducing more advanced features like Secure Boot support via "shim". Core Functionality of HackBGRT 1.5.1

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)

within the firmware. HackBGRT works by installing a custom UEFI application that intercepts the boot process and overwrites this image in memory before Windows starts. Requirements : A UEFI-based system (Legacy BIOS is not supported). Secure Boot : In version 1.5.1, Secure Boot must typically be to allow the modified bootloader to run. Image Format : The replacement logo must be a 24-bit BMP file, traditionally named splash.bmp What was New in Version 1.5.1?

Released on 11 August 2018, version 1.5.1 was primarily a maintenance and refinement update: Clarified Configuration : Improved documentation within the config.txt file to help users set custom coordinates or image paths. UEFI Setup Fix

: Resolved a specific exception error that occurred when users tried to reboot directly into their UEFI firmware settings from the tool.

: Addressed minor bugs from the 1.5.0 branch to ensure the installer was more reliable across different hardware. Installation & Usage Guide Using this version involves a semi-automated process: Releases · Metabolix/HackBGRT - GitHub 12 Apr 2025 —

HackBGRT 1.5.1 is the latest stable version of the open-source UEFI boot logo changer for Windows.

It allows you to replace the standard Windows startup logo with a custom image by modifying the Boot Graphics Resource Table (BGRT) on UEFI-based systems. 🛠️ Core Features HackBGRT v1

UEFI Support: Designed specifically for modern UEFI firmware. Custom Formats: Supports .bmp images (24-bit or 32-bit).

Non-Destructive: Reverts easily by uninstalling the EFI application. Open Source: Transparent code available on GitHub. ⚠️ Critical Requirements

Secure Boot: Must be Disabled in BIOS/UEFI settings for the tool to function.

Firmware: Only works on UEFI systems; legacy BIOS is not supported.

File Format: Your custom logo must be a 24-bit BMP file named splash.bmp. 🚀 How to Use HackBGRT 1.5.1 Preparation: Enter BIOS/UEFI and Disable Secure Boot. Download the latest release from the HackBGRT GitHub page. Installation: Extract the ZIP and run setup.exe. Press I to begin the installation. Image Replacement:

A notepad window will open (configuration file); you can usually close this.

An MS Paint window will open showing the default "HackBGRT" logo. Paste your custom image over the existing one and Save. Finish: Close Paint and the command window. Restart your PC to see the new logo. 🛡️ Safety & Troubleshooting

Screen Resolution: Use an image smaller than your screen resolution to avoid distortion.

Recovery: If the boot fails, use a Windows recovery USB to delete the EFI/HackBGRT folder from your EFI partition.

Windows Updates: Major Windows updates may occasionally overwrite the bootloader, requiring a re-install of the tool. If you'd like to proceed, let me know: What image or logo you are planning to use? Are you comfortable navigating your BIOS settings? Do you have a Windows recovery drive ready just in case?

HackBGRT is a third-party utility that allows users to replace the standard Windows boot logo on UEFI systems by overwriting the Boot Graphics Resource Table (BGRT). The installation process requires disabling Secure Boot, running the setup.exe as an administrator, and replacing the default 24-bit or 32-bit BMP image with a custom graphic. For more details, visit GitHub Metabolix/HackBGRT. HackBGRT - Windows boot logo changer for UEFI systems

Summary Breakdown

HackBGRT is a tool for UEFI-based Windows systems that allows you to change the boot logo (the image shown before Windows loads). While it is highly customizable, version 1.5.1 has been noted by some users to have stability issues. Pre-Installation Checklist UEFI Only: Your system must use UEFI boot, not Legacy/CSM.

Disable Secure Boot: This is the most critical step. HackBGRT will not work if Secure Boot is enabled, as it modifies the bootloader.

Create a Recovery Drive: Modifying boot files carries a risk of making the system unbootable. Always have a Windows installation USB or recovery drive ready. Installation Steps

Download and Extract: Get the latest stable release from the official GitHub repository . Run Setup: Open setup.exe as an Administrator.

Command Prompt Options: A window will appear with several options. Press I to begin the installation. Edit the Logo:

Once you press Install, a Notepad window (configuration) and a MS Paint window will open.

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. Pro Tip: Ensure your image is a 24-bit or 32-bit BMP file.

Finish: Close Paint and Notepad. The setup will finish the installation. How to Revert

If you want to go back to the original manufacturer logo or if you encounter boot issues: Run Setup: Re-run setup.exe and press U to uninstall. Multi-Platform Support : Hackbgrt-1

Safe Mode/Recovery: If Windows won't boot, use your recovery drive to access the Command Prompt and restore your original bootloader or disable the HackBGRT entry.

HackBGRT-1.5.1 is an open-source utility designed to customize the boot logo on UEFI-based Windows systems by modifying the Boot Graphics Resource Table (BGRT). Originally released in August 2018, version 1.5.1 remains a significant point in the tool's development history, specifically addressing configuration clarity and UEFI setup compatibility. Core Functionality

Most computers store a manufacturer's logo in the UEFI firmware. Changing this permanently is difficult, so HackBGRT acts as a "shim". It runs a custom UEFI application during boot that overwrites the image in memory before Windows loads, allowing for a personalized startup experience. Key Updates in Version 1.5.1

This version focused on stability and ease of use following the introduction of major features in the 1.5.0 cycle.

UEFI Setup Fix: Addressed a specific exception that occurred on certain hardware when users attempted to boot directly into the UEFI (BIOS) setup from within the tool.

Config Clarity: Improved the default config.txt file to help users better understand how to customize their setup.

Legacy Support: While newer versions like 2.5.1 exist, 1.5.1 is noted for its "legacy" installation style, which some users still find more effective for specific hardware configurations. Essential Requirements

To use HackBGRT successfully, your system must meet these criteria:

UEFI Mode: The computer must be in UEFI mode, not Legacy BIOS.

Disabled Secure Boot: Secure Boot must be turned off, as it prevents unauthorized UEFI applications like HackBGRT from running.

Image Specifications: The custom logo must be a 24-bit BMP file named splash.bmp. Installation Workflow How to Change Windows 10's Boot Logo! (HackBGRT Tutorial)

Overview

Hackbgrt is a niche, open-source utility designed to modify the BGRT (Boot Graphics Resource Table) on UEFI systems. Version 1.5.1 is a minor maintenance release, primarily fixing compatibility issues with certain UEFI implementations. Its sole purpose: replace the manufacturer’s boot logo (e.g., Dell, Lenovo, ASUS) with a custom image.

Installation and Usage

Most users encounter Hackbgrt through the AUR (hackbgrt) or as a compiled binary from GitHub. Installation is straightforward:

git clone https://github.com/GabMus/Hackbgrt
cd Hackbgrt
make
sudo make install

Basic usage:

sudo hackbgrt /path/to/your-logo.png

To preview without committing:

hackbgrt --test custom-logo.bmp

The tool automatically detects your bootloader (systemd-boot, GRUB, rEFInd) and adds a kernel parameter if needed: bootlogo=false to prevent the initramfs from overwriting the BGRT.

Beyond the Default: A Technical Look at Hackbgrt-1.5.1

For many Linux users, the boot process is a fleeting blur of vendor logos, systemd messages, and a final leap to the display manager. But for those who obsess over every pixel of their operating system’s identity, the default boot logo—often a motherboard vendor’s badge or a generic OEM image—is an eyesore.

Enter Hackbgrt-1.5.1. This small, single-purpose utility has gained quiet reverence in ricing communities and among system integrators. It does one thing: replace the UEFI’s built-in Boot Graphics Resource Table (BGRT) logo with a custom image.

3. Linux Users with Plymouth

While Plymouth usually overrides the boot logo, some display managers fall back to the BGRT if Plymouth fails. Hackbgrt provides a fallback guarantee.