Please upload bios backup here for this model to build new bios HP ProOne 400 G2 20-inch Non-Touch All-in-One HP ProOne 400 G2 20-inch Non-Touch All-in-One PC HP ProOne 400 G2 20-inch Touch All-in-One PC (ENERGY STAR) HP ProOne 400 G2 20-inch Touch All-in-One PC HP ProOne 400 G2 Base Model 20-inch Non-Touch All-in-One PC HP ProOne 460 G2 20-inch Non-Touch All-in-One HP ProOne 460 G2 20-inch Non-Touch All-in-One HP ProOne 480 G2 20-inch Non-Touch All-in-One PC HP ProOne 480 G2 20-inch Non-Touch All-in-One PC BIOS N13