Dead System Battery = No Boot?

Started 4 months ago | Questions thread
Eric Carlson
Eric Carlson Veteran Member • Posts: 6,975
Re: Dead System Battery = No Boot?

SantaFeBill wrote:

I'm getting a warning that the voltage in my system's battery is low. (The battery is very old - I'm sure the warning is correct.)

I read somewhere that if the system battery dies, the computer will no longer boot. (PC, Windows, desktop, connected to an UPS).

Is that correct?

Thanks to all.

You usually don't lose settings, but you sometimes do. I usually get 10 years out of CMOS batteries, sometimes only 5. I bought a bunch, I think via Amazon, for really old PC's and other things.

Just in case, you might want to take a photo of all your BIOS settings screens, and make sure those photos aren't only stored on that same computer. And sometimes a full reset, then putting back in the settings is helpful.

PS: And if you're doing all that, make sure you have the latest BIOS installed.

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