source: youtube.com
Mahalo's expert Sean Hewitt explains how the motherboard battery saves information and can be removed if necessary.
Why Does the Motherboard Have a Battery?
On the top of the motherboard, you'll find a small circular disk. This is the battery that is solely for the motherboard.
The battery stores and saves pertinent information, such as the time and date, when the computer is powered off. For example, if you turn on your computer and find that the time needs to be reset, the motherboard battery may be dead.
Removing the Battery
You can purchase a new motherboard battery at an electronics store. Remove the old one by using a small screwdriver to pop out the teeth that lock in the battery. When inserting a new battery, the text section goes on the top.
If a computer's BIOS chip has a password that blocks other users from accessing the computer, removing the battery is a way to bypass this password. This will reset the computer's password and other settings. You can protect your computer from being accessed by ensuring that your battery is reliable and keeping your computer case locked.
References
Meet Our Experts
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Sean Hewitt
Meet Sean Hewitt, a Mahalo Software expert. Sean has spent most of his career in computer construction and repair, working intimately with every version of Windows (from 3.1 to Windows 7) in the process. "Coming from a consulting and repair background," says Hewitt, "I can better understand computer issues and education from a user's perspective."
