Because the firmware is locked, permanently altering this graphic is incredibly difficult. The HackBGRT GitHub Repository solves this problem by using a custom UEFI application to safely overwrite the image in the system's memory during the boot process. Technical Prerequisites
Complete Guide to Modifying Your Windows Startup Screen: Unleashing the Power of HackBGRT hackbgrt151
A: It modifies system firmware variables, so Defender may flag it as “potentially unwanted.” You must add an exclusion. Because the firmware is locked, permanently altering this
The entire process involves several key stages: Because the firmware is locked
“It can permanently brick your motherboard.” Fact: HackBGRT151 only modifies UEFI NVRAM variables, not the firmware SPI flash. A simple CMOS reset restores defaults.