Re: Can a weak CMOS battery prevent detection of a drive

Giganews Newsgroups
Subject: Re: Can a weak CMOS battery prevent detection of a drive
Posted by:  philo (phi…@privacy.net)
Date: Wed, 21 Oct 2020

On 10/16/20 3:07 PM, Norm Why wrote:
> I read that weak CMOS battery can prevent detection of a drive. I have two
> SSD drives. One an old Samsung 500GB boots reliably. Drive D: is a new
> Seagate Barracuda, 500GB that is not detected reliably. I've done everything
> conceivable with the cables. I've read bad reviews on the Barracuda.
>
> BIOS program says CMOS battery is 3V whereas 3.3V might have been when it
> was new.
>
> Is it worth my time to buy a new CMOS battery?
>
> Thanks

Glad you got it figured out.

To answer your question though, a 3.0 volt CMOS battery is fine.

If the battery was too low, you'd simply lose your settings.

I did *once* have a battery around 2.6 volts that would not allow the
machine to post.

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In response to

Can a weak CMOS battery prevent detection of a drive posted by Norm Why on Fri, 16 Oct 2020