Restart your PC, open the boot menu (usually via or F12 ), and select your USB drive to boot into the DOS prompt.

The Pegatron H110D4-M1 is a motherboard commonly found in pre-built systems, particularly certain models of HP and Compaq desktops (such as the HP ProDesk 400 G3 series). If you are looking to update the BIOS on this board, you may have come across files labeled "REPACK."

Do not run .exe files from untrusted sources inside Windows. Look for raw ROM binaries.

If using the GUI utility, click and select the provided .rom or .bin BIOS file. Check the boxes for Program Boot Block and Destroy CMOS .

Navigate to the or Tool tab and look for an option named EZ Flash , M-Flash , or Firmware Update .

Method 2: UEFI / DOS Shell Flashing (Recommended for Safety)

Fixes boot issues and black screens when installing newer PCI-Express graphics cards.

"Repack" BIOS updates for the Pegatron H110D4-M1 are typically unofficial, community-modded files designed to support 8th/9th Gen CPUs or NVMe booting on H110 chipsets. Official support is limited to older processors, making it critical to use verified firmware from manufacturers like ASRock to prevent motherboard failure. For official BIOS downloads and support, visit ASRock . H110D4-M1 - ASRock