If you’re getting a “Bio-Flasher” screen when you start your computer here is the easy way to get rid of it:
Fix #1:
Restart the computer. You might have just accidentally pressed a key to start your computer’s bios flasher.
Fix #2:
Make sure that you don’t have any CDs or DVDs in your computer. Eject any that are there. Restart your computer.
Fix #3:
Make sure you don’t have any USB drives and external hard drives plugged into your computer. Restart your computer.
Fix #4:
Remove any network adapters you might have plugged in recently. The computer might be mis-identifying them as bios flash devices.