10xBIOS CMOS RTC Battery FOR DELL E6420 E6420XFR E6430 E6440 E6450 E6490 CR2032

Product Features:

* Compatible with Dell E6420 E6420XFR E6430 E6440 E6450 E6490 laptops
* Installed on the motherboard to power the CMOS chip
* Maintains system time and configuration settings when the computer is turned off
* Factory fresh, grade A cells ensure long battery life and reliable performance
* Easy to install, no soldering required
* Durable construction for extended life

What is a BIOS CMOS RTC Battery?

A BIOS CMOS RTC battery is a small, coin-shaped battery that is used to power the CMOS chip on a computer’s motherboard. The CMOS chip stores the computer’s BIOS settings, which include the time and date, hardware configuration, and other system parameters. The battery provides power to the CMOS chip even when the computer is turned off, ensuring that the BIOS settings are preserved.

Why is it Important to Replace a BIOS CMOS RTC Battery?

Over time, the BIOS CMOS RTC battery will lose its charge and need to be replaced. A weak or dead battery can cause the computer to lose time and date settings, as well as other BIOS settings. This can lead to a variety of problems, including:

* Difficulty booting the computer
* Incorrect time and date settings
* Loss of hardware configuration settings
* System instability

Benefits of Replacing Your BIOS CMOS RTC Battery:

* Ensures reliable power to the CMOS chip
* Maintains correct time and date settings
* Preserves BIOS settings
* Prevents system instability

Easy Installation:

Replacing a BIOS CMOS RTC battery is a simple process that can be done in a few minutes. Most batteries are held in place by a small clip or bracket. Simply remove the old battery and insert the new one, making sure to orient it correctly.

Durability and Color Options:

BIOS CMOS RTC batteries are designed to last for several years. They are made from durable materials that can withstand the rigors of everyday use. Batteries are available in a variety of colors to match the aesthetics of your computer.