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.
HackBGRT 1.5.1 is a specialized utility designed to customize the boot logo on Windows systems using UEFI firmware. By modifying the Boot Graphics Resource Table (BGRT), it allows users to replace the standard manufacturer or Windows logo with a custom image during the startup process. Core Functionality
UEFI-Based Modification: Unlike older tools that patched system files, HackBGRT works by injecting a custom driver into the UEFI boot sequence.
Resolution Independence: In version 1.5.x, image coordinates are typically relative to the center of the screen, improving compatibility across different monitor resolutions.
Automatic Setup: The setup.exe simplifies the process by mounting the EFI system partition, copying necessary files, and updating the boot loader. Installation Prerequisites
UEFI Mode: Your system must be booting in UEFI mode; Legacy BIOS is not supported.
Disable Secure Boot: This is a mandatory step. Since HackBGRT uses an unsigned boot loader, the system will block it if Secure Boot is enabled.
Single Drive Safety: For the most reliable automatic setup, it is recommended to have only one bootable drive connected during installation. Step-by-Step Usage
Download: Always obtain the latest version from the Official GitHub Releases. Configuration: Run setup.exe. Hackbgrt-1.5.1
The tool usually opens Microsoft Paint or your default editor to let you create/paste your custom .bmp or .png logo.
For advanced users, config.txt can be edited to adjust image positioning or weight.
Implementation: Follow the on-screen prompts to install the boot loader. Reboot: Restart your computer to verify the change. Critical Risks and Troubleshooting
Boot Failure: Modifying the boot sequence carries inherent risks. Some users have reported being unable to boot into Windows after a failed configuration.
Recovery: If the system fails to boot, you may need to use Windows Startup Repair or manually delete the HackBGRT files from the EFI partition via a recovery command prompt.
Windows Updates: Occasionally, major Windows updates may overwrite the boot loader. If the original logo reappears, simply rerun the HackBGRT installer. If you'd like to proceed, let me know:
What is your motherboard/laptop model? (I can help you find the Secure Boot settings). Do you have a Windows recovery drive ready just in case?
Are you looking to use a specific image or just testing the tool? HackBGRT - Windows boot logo changer for UEFI systems
7/10 – A solid, focused tool for Linux users who want a custom boot logo and don’t mind disabling Secure Boot. Not for beginners or those with critical workstations. The 1.5.1 update is stable but unexciting (mostly bug fixes).
Use it if:
✅ You run Linux on UEFI hardware.
✅ You’re comfortable with the command line and backing up EFI variables.
✅ You’ve already disabled Secure Boot for other reasons (e.g., Nvidia drivers).
Avoid if:
❌ You need Secure Boot enabled.
❌ You have a locked corporate BIOS.
❌ You expect a point-and-click tool.
Final note: Always test on non-critical hardware first. A failed BGRT mod can be recovered by clearing CMOS, but it’s an annoyance.
Would you like a step-by-step usage guide or a comparison with other boot logo changers?
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
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. HackBGRT v1
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 1.5.1 is a specialized, open-source utility designed to customize the boot logo on UEFI-based Windows systems. While the project has since advanced to newer versions (such as 2.5.1), version 1.5.1 remains a notable release for its simplicity in modifying the Boot Graphics Resource Table (BGRT), the section of UEFI firmware that stores the vendor logo displayed during startup. Core Functionality
Most modern Windows PCs display a manufacturer logo (like Dell, HP, or Lenovo) or the Windows flag during boot. This image is typically locked within the firmware. HackBGRT works by installing a custom UEFI application that intercepts the boot process and overwrites this image with a user-defined file before Windows loads. Key Requirements for Version 1.5.1
To use this version successfully, your system must meet specific technical criteria:
UEFI Mode: The tool does not work on older BIOS/Legacy systems. You can verify this by checking System Information (msinfo32) for "BIOS Mode: UEFI".
Secure Boot Disabled: Because HackBGRT modifies the bootloader, Secure Boot must be turned off in your BIOS/UEFI settings to allow the custom boot application to run.
Image Format: The replacement logo must be a 24-bit BMP file, traditionally named splash.bmp. Installation Steps
Download and Extract: Obtain the HackBGRT-1.5.1.zip from the official Metabolix GitHub repository.
Run Setup: Execute setup.exe with administrative privileges.
Install Command: In the command prompt window, press "i" to begin the installation. Configure Image:
A Notepad window will open with the configuration file (config.txt). Closing it usually triggers the next step.
The Windows Paint application will open, showing the default HackBGRT logo. You can paste your own custom image here, ensuring it is saved as a 24-bit BMP.
Restart: Once the setup completes, reboot your PC to see the new logo. Risks and Stability
Version 1.5.1 is considered a legacy version. Users on GitHub forums have noted that while it is effective, it can be less stable on newer versions of Windows 10 and 11 compared to the latest releases. Because it interacts directly with the EFI partition, there is a risk of making the system unbootable if errors occur. It is highly recommended to have a Windows Recovery Drive or a full system backup before proceeding. How to Revert 7/10 – A solid, focused tool for Linux
If you wish to restore the original logo, run setup.exe again and press "r" to remove the tool and restore the original bootloader configuration.
HackBGRT version 1.5.1 is a legacy release of the popular open-source UEFI boot logo changer
. While it is praised for its simplicity, modern users are generally advised to upgrade to the latest 2.x versions for better stability and Secure Boot support. Core Functionality
HackBGRT allows you to replace the default Windows or OEM (e.g., Dell, HP, MSI) boot logo with a custom image by modifying the Boot Graphics Resource Table (BGRT) during the boot sequence. Non-Permanent Modification:
It does not flash your BIOS/firmware chip, making it safer than traditional BIOS modding. Format Requirement: It strictly requires a 24-bit BMP image named splash.bmp Lightweight:
The tool is a small command-line utility that mounts the EFI partition to swap files. Key Features (v1.5.1) How To Change The Windows 11/10 Boot Logo 26-Sept-2023 —
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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
Cause: Resolution mismatch. Confirm your BMP resolution is exactly your screen’s native resolution. Some laptops report a different GOP (Graphics Output Protocol) resolution. Try forcing UIScale=2 or enabling ForceBGRT=True in your UEFI section.
For decades, PC enthusiasts have accepted a small but persistent annoyance: the brief flash of a low-resolution, vendor-provided logo during system startup. Whether you own a high-end ASUS ROG motherboard, a Dell Precision workstation, or an Acer gaming laptop, the boot screen is often an afterthought—pixelated, stretched, or simply outdated.
Enter Hackbgrt-1.5.1. This niche but powerful open-source tool has quietly become an essential utility for users of OpenCore (a bootloader commonly used for Hackintoshes) and UEFI firmware tweaking. In this article, we will explore what Hackbgrt-1.5.1 is, how it works, its specific improvements over previous versions, and a step-by-step guide to using it safely.
