Please upload bios backup here for this model to build new bios HP EliteDesk 800 G2 Small Form Factor HP EliteDesk 800 G2 Tower BIOS N01
HP elitedesk 800 g2 Spitfire Rev A bios problem No display fixed https://bios-fix.com/index.php?threads/hp-elitedesk-800-g2-bios-problem-no-display.51315/