Hackbgrt-1.5.1 Link

BGRT is a UEFI feature (introduced with ACPI 5.0) that stores a bitmap of the boot logo in memory. During early boot, the kernel or bootloader can display this logo, creating a seamless transition from firmware to OS.

The problem? Many UEFI implementations lock this table, and even when they don’t, changing the logo typically requires: Hackbgrt-1.5.1

Hackbgrt avoids all of these by targeting the Linux kernel’s runtime memory after the BGRT has been loaded. BGRT is a UEFI feature (introduced with ACPI 5

| Tool | Platform | Ease of Use | Risk Level |
|------|----------|-------------|------------|
| Hackbgrt-1.5.1 | Linux | Medium | Low–Med |
| UEFI BIOS Updater (UBU) | Windows/Linux | High | Medium |
| Manual hex editing | Any | Very low | High | Hackbgrt avoids all of these by targeting the

Disclaimer: Modifying UEFI tables carries inherent risk. Always back up your current EFI folder and have a recovery USB ready.