'Wagon' CTR monitor burn in?

[Capablanca]

Hi guys.
I was in bios loading optimal settings, I restarted the pc but my monitor would not start up normally. When I press a button on the monitor the menu comes up with the following:
BURN IN
H:  00KHz  V:  00Hz
[normal brighteness, color, etc, here]

Is there any way i can fix this? Do you guys have any advice .

[Fed]

I would first try resetting the bios back to failsafe settings.
Did something start all this off or was it just natural fiddling?