I have asus A8N SLI Deluxe mobo After power failures from storms and the power company. When try to boot the pc up I get bios check sum erros halts and looks for awdflash.exe file. I have tried to load from the cd that came with mobo. The bios does not not flash. I've also removed to battery and power for 20 min. with no luck. The problem remains. Thank you fro your help Randy.