If you updated specifically to fix a GPU issue and now have no display, move your monitor cable to the onboard VGA/DVI port. You may need to enter the new BIOS and change the "Primary Display" setting from "IGFX" to "PEG" (PCI Express Graphics). Conclusion
BIOS flashing carries a risk of "bricking" your motherboard. Follow these rules to minimize danger: foxconn h61mxv v20 bios update verified
Download a tool like "Rufus" to create a bootable FreeDOS USB drive. This provides a clean environment for the BIOS chip to be rewritten without Windows interference. 2. Source the Verified BIOS Files If you updated specifically to fix a GPU