Role of CMOS Battery in laptop repairing course

A student face lots of problem in laptop repairing course, now I am giving information about CMOS battery. The CMOS (Complementary Metal-Oxide Semiconductor) battery provides energy for saving BIOS configurations when the pc is turned off. Nonvolatile BIOS (Basic input output system) memory refers to a small memory on pc or laptop motherboards that is used to store BIOS settings. CMOS battery used to store basic information of computer like Date and Time info.

The standard life of a CMOS battery is around 10 Years. However, this can differ based on the use and environment in which the computer exists.

Symptoms of a discharge or non working CMOS: Laptops or computer mostly shoes up excellent and everything seems to be regular, except for some small issues that are:

Any one of these problems can be due to lots of reason. But if a few of them match, then it’s a sure indication that your CMOS battery energy is unable. One another method of checking CMOS battery is dead or alive that is used by professionals, touch the battery with your tongue and if you feel a little current it means the battery is live otherwise its dead.

Because of the extensive range pc and laptop, there are several methods to get into the BIOS or CMOS Installation. Just open you laptop or computer and replace CMOS battery. Different brand’s laptop place it in different location but it’s very easy to find because it is the only component which shining and rounded shape. Just replace the battery now. After that start your system and go to BIOS mode of system and set up your Date and Time.

So I hope this information will help you. And if you still you don’t able to replace CMOS battery. Than go for any hardware repairing shop or join laptop repairing institute.