tomshardware[.]com/pc-components/motherboards/gigabytes-latest-rgb-firmware-upgrade-is-bricking-some-motherboards-including-z790-series-dynamic-lighting-and-rgb-failures-rogue-cpu-fan-usages-and-more-reported
Users are reporting all sorts of issues after upgrading the firmware for the RGB controller, including bricking the motherboard.
... performing a quick search for terms like “bricked Gigabyte LED update” or “IT5701/IT5702 Gigabyte” reveals multiple forum threads detailing similar problems. The issue is clearly widespread and is not just limited to the above-mentioned motherboard but across Gigabyte’s 600 and 700 series motherboards with RGB lighting.