: Turn off your PC and unplug the power cord. Locate the coin-shaped CR2032 battery on the motherboard, remove it for 1–5 minutes, and then reinsert it. Dedicated Reset Button
. While it was effective for legacy BIOS systems, its "verified" status for modern hardware is highly questionable. Ultimate Boot CD Key Features and Limitations pc cmos cleaner 24 iso download work verified
On newer laptops, removing the CMOS battery or using software tools often fails because password data is no longer dependent on the battery-backed CMOS chip. Safety and Alternatives : Turn off your PC and unplug the power cord