Conditional (Works for Mark 1, fails for Mark 2/3) Cost: Free
On some service models, this bypasses the user password and drops you into a limited setup menu. From there, you can select "Reset System Settings" and save. panasonic cf53 bios password reset free
Some models have two small solder pads or pins on the motherboard (often near the RAM or CMOS battery) that can be "shorted" with a screwdriver for 10 seconds while the unit is off to clear settings. Advanced Recovery (Technical) Conditional (Works for Mark 1, fails for Mark