Entire PCs have a little battery on the CPU board that furnishes power to the Complementary Metal Oxide Semiconductor (CMOS) chip, hence the name CMOS battery. The chip has the data about entire the system's configuration, such as the hard disk, date and time, etc. It furnishes power still when the computer is off and permits the CMOS to store all the circumstances.

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You can see the CMOS battery to last for up to 5 years. The more your computer is utilize, the longer the battery will end. How do you familiar that your CMOS battery is dying? Here are few tell-tale signs that your battery is dying:


Should you know any of these indications, it is time to alter the battery in your PC. If you do not alter the battery, the battery will die. Your battery is dead when your display is blank and you have thus missed your CMOS memory.