What Does The Cmos Battery Do. If the CMOS battery in your computer or laptop dies the machine will be unable to remember its hardware settings when it is powered up. Im posting this for the benefit of anyone who has to replace a CMOS battery soon.
Here is how to change the Internal CMOS battery in your desktop computer. If the CMOS battery runs out your computer loses all this information and the BIOS reverts to. The CMOS battery powers your laptops BIOS firmware which is responsible for booting up your computer and configuring data flow.
The CMOS battery powers your laptops BIOS firmware which is responsible for booting up your computer and configuring data flow.
THe EEPROM defaults get copied into CMOS memory hence why it is called the CMOS battery. The CMOS battery or the motherboard battery has a unique purpose in a computer. However the CMOS battery is used to provide constant power to the chip. Alternatively referred to as a RTC real-time clock NVRAM non-volatile RAM or CMOS RAM CMOS is short for complementary metal-oxide semiconductorCMOS is an onboard battery powered semiconductor chip inside computers that stores information.
