Its is the button battery that stores the BIOS settings for your computer.
A slot on the motherboard intended to hold the CMOS battery.
CMOS battery
how can i break bios password without remove cmos battery
Chances are that the CMOS Battery on the motherboard is dead and needs to be replaced. Without this battery, the computer can not remember the CMOS settings when the power is turned off.
You would dispose of such as you do any other battery.
small battery located on the motherboard or computer case.
The CMOS is run off of a battery on the motherboard.
a System Clock.
CMOS battery of your laptop maintains hard disk, time and date, and other drivers and configuration settings in a CMOS memory. You will see these tiny CMOS batteries connected directly to the laptop’s motherboard.
CMOS is the little battery in the computer's motherboard which keeps the computers internal clock running.
Removing the CMOS battery will not prevent the computer from turning on, it will only cause the information in the CMOS RAM to be lost (while the computer is turned off). When you turn on the computer after the CMOS battery has been removed, while it will turn on it will most likely not boot the OS correctly but will stop in the BIOS and require you to completely setup the CMOS parameters again before you can tell it to continue..