Newer UEFI-based graphics cards (like the GTX 10-series or newer) often fail to boot on older IPMSB-H61 BIOS versions.
Ensure your settings (like SATA mode/AHCI) haven't reset. pegatron ipmsb-h61 bios update
Many early versions only support 2nd Gen Intel (Sandy Bridge) CPUs. A BIOS update is required to use 3rd Gen Intel (Ivy Bridge) processors. Newer UEFI-based graphics cards (like the GTX 10-series
Updating the BIOS is not something you should do "just because." However, for this specific H61 chipset board, an update is often necessary for: for this specific H61 chipset board