Once the application files are extracted to your EFI System Partition (ESP), the configuration must be optimized for resolution scaling. Open the config.txt file and review the following lines:
To ensure your custom logo looks professional and "high quality," you must adhere to specific technical requirements during the creation process:
Export the file by selecting . Under advanced settings, ensure it is set to 24-bit RGB or 32-bit XRGB . Name the file splash.bmp . 3. Install and Deploy hackbgrt151 high quality
By default, Microsoft’s Secure Boot blocks unsigned boot applications like HackBGRT. To use this tool, you must either disable Secure Boot in your motherboard's BIOS settings, or utilize a MOK (Machine Owner Key) / Shim boot loader setup to mark the application binary as trusted manually.
For optimal clarity, use a dedicated photo editor to match your display’s native resolution exactly (e.g., 1920x1080 for Full HD or 3840x2160 for 4K). 2. Fine-Tuning config.txt for Max Resolution Once the application files are extracted to your
Your monitor's (e.g., 1080p, 1440p, 4K) The manufacturer brand of your PC or motherboard Whether you prefer to keep Secure Boot enabled or disabled
Pro Tip for High Quality: Use photo editing software (Photoshop, GIMP, or Paint.NET) to export as "Windows BMP" with "24-bit" and "Do not write color space information." Name the file splash
Temporarily disable in your motherboard’s BIOS/UEFI settings, as custom bootloaders alter the verified boot path. 2. Create the High-Quality Graphic Open an image editor like Photoshop or GIMP. Create a canvas matching your target display size (e.g., Fill the background with Pure Black (#000000) . Place your custom artwork directly in the center.
: If misconfigured, HackBGRT can prevent your system from booting. Always have a Windows Recovery Drive or a rescue disk ready before installation.