Reset Secure Boot keys to default. Go to BIOS → Security → Secure Boot → Restore Factory Keys. Reboot.
If you have a "repack" file, you can typically apply it using these standard procedures: H110D4-M1 - ASRock Pegatron H110d4-m1 Bios Update REPACK
Often includes VGA, DVI-D, and HDMI outputs, along with USB 3.0 support. Why You Might Need a BIOS Update Reset Secure Boot keys to default
If you need a feature like NVMe boot, ask on a forum like Win-Raid for a properly modded but safe BIOS — but even that carries risk. and HDMI outputs