Re: BIOS setting won't save
- From: westom <westom1@xxxxxxxxx>
- Date: Tue, 23 Jun 2009 09:01:48 -0700 (PDT)
On Jun 22, 4:00 pm, 1mce <1...@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote:
All good suggestions, thanks. I did think of the battery. However, I am not
having any issues with my time and date. Do you think it could still be the
battery?
As another noted - could. But the only definitive answer is to
measure battery voltage with a meter. For example, if it is a 3.0
volt battery, then 2.8 volts says, "plan to replace that battery in
the next 6 months." A lower voltage would explain data loss.
Your symptoms are consistent with data not being saved in the CMOS.
That data would be lost if battery voltage is too low OR (I saw this
once) a PC trace has failed between the battery and the IC were CMOS
is stored. Simply used the meter to find no battery voltage on the IC
pin. And the break was underneath a peripheral board connector
implying a manufacturing (copper) defect that was not evident until
years later.
.
- References:
- BIOS setting won't save
- From: 1mce
- Re: BIOS setting won't save
- From: shawn
- Re: BIOS setting won't save
- From: Ken Blake, MVP
- Re: BIOS setting won't save
- From: 1mce
- BIOS setting won't save
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