Can a Bios Battery Die?
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If you’ve owned your laptop for several years, it’s possible your computer is malfunctioning because the CMOS battery died. The CMOS battery is a piece of hardware that’s unique to laptops. When it dies, it could cause your laptop to encounter problems booting up.

Will a dead BIOS battery?

If the CMOS battery dies, settings will be lost when the computer is powered down. You will probably be asked to reset the time and date when you start the computer up. Sometimes the loss of settings will prevent the computer loading the operating system.

What happens if the BIOS battery dies?

Can a motherboard run without a battery? Technically, YES. Removing the CMOS battery will allow your computer to run however, you will lose the date and time settings, the computer will boot with default BIOS settings or you will have to choose the drive that the OS is installed every time you start your computer.

Marcus Vance

Marcus Vance

Cybersecurity & Digital Privacy Researcher

Marcus Vance is a cybersecurity auditor and technology writer dedicated to educating the public about online safety, data privacy regulations, enterprise security, and emerging cyber threats.

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