: 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 :
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.
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| Issue | Likely Cause | Solution | | :--- | :--- | :--- | | | Configuration error or Boot Manager conflict | Boot from a recovery drive or Windows installation media and use it to repair the boot configuration or restore the backup of your EFI partition. | | No Logo Change | System is booting in legacy BIOS mode, the image file is invalid, or the installer wasn't run as Administrator | Verify UEFI boot mode ( msinfo32 ), ensure the image is a 24-bit BMP, and re-run setup.exe as administrator. | | Secure Boot Error | Microsoft's update (e.g., KB5041585) rejecting older shim versions | The main solutions are to temporarily disable Secure Boot, check for an updated shim file, or as a last resort, uninstall HackBGRT. |
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. : Your custom logo must be a 24-bit BMP file named splash
HackBGRT is an open-source Windows utility designed to replace the default boot logo on UEFI-based systems. When a UEFI computer starts, it looks for an image stored in the "Boot Graphics Resource Table" (BGRT), a part of the UEFI firmware. This image is typically the default Windows logo or your PC manufacturer's brand. While changing this logo is normally very difficult, HackBGRT elegantly solves this by inserting a custom application into the boot process, which temporarily overwrites and displays your chosen image.
Hackbgrt avoids all of these by targeting the after the BGRT has been loaded. Installation : Extract the ZIP and run setup
While modern versions have reached 2.5.x, the 1.5.1 iteration established the core functionality that users still rely on today:
: The tool may open a configuration text file; you can usually save and close this unless you need advanced positioning settings. Important Safety & Risks
Can no longer get into bios · Issue #52 · Metabolix/HackBGRT - GitHub