No POST, could outdated BIOS on the motherboard cause readout errors with video readout? Ryzen 9 5900x and asus tuf x570 gaming plus...contacted AMD for boot kit : r/pcmasterrace
Amazon.com: AMD Ryzen 9 3900X 12-core, 24-thread unlocked desktop processor with Wraith Prism LED Cooler : Electronics
AMD Provides Support for BIOS Update on 2nd Gen Ryzen - Boot Kit Available | TechPowerUp
AMD 'boot kits' loan chips to help update motherboards for 2nd-gen Ryzen CPUs | PCWorld
GIGABYTE Expands Workstation Product Portfolio for AMD Ryzen™ Based Products | News - GIGABYTE Global
AMD offers 'boot kit' for 2nd Gen Ryzen buyers | bit-tech.net
AMD Will Provide a Free Temporary UEFI Upgrade Kit for Ryzen 3000 Motherboard Updates | Extremetech
RedGamingTech
AMD Offers Free 'Boot Kit' for Struggling Ryzen 3000 Owners
AMD BOOT KIT FOR RYZEN 3 2200G AND RYZEN 5 2400G APU UNBOXING - YouTube