Mining rig windows 8.1 start problems

Hi it been working well until i get this screen when start it up,restart it several times it still dosn`t work.Does not let me exit.I use 4x GPUS rx480 saphire nitro please help

thats bios, dude=)check your keyboard=)maybe 'delete' or 'f2' is hitting constantly=)

Got it ssd sata lead was bended.