[AZ-Observing] Re: Low Battery?
- From: Dan Heim <dan@xxxxxxxxxxxxx>
- To: az-observing@xxxxxxxxxxxxx
- Date: Sat, 25 Dec 2010 14:35:36 -0700
Stan,
Sounds to me like a low CMOS battery. I had the same problem with my
desktop and had to install a new one. Unfortunately, doing so will reset
your BIOS to all default values, so before you try this, get into setup
during a boot and write down all the settings.
I have no experience doing this with a laptop (perhaps another member
can chime in here?), but suspect it will be a LOT more difficult getting
to that CMOS battery. Check your manual on that, but I would not be
surprised if it was soldered in. Knowing your background, that should
present no difficulties.
Depending on the amount of time your laptop is "off" (and the CMOS
battery is "on"), and how old it is, might allow for a better guess, but
from what I hear, the typical CMOS battery (usually a button cell)
should last 8-10 years. Mine lasted 7.
Dan
On 12/25/2010 1:56 PM, Stan Gorodenski wrote:
> This is astronomy related because I am using the time on my pc for
> astronomy. The time on my 1999 Gateway desktop pc is undergoing large
> changes in time. Sometimes after the 4th, sometimes after the 5th,
> second it will take the next second about a second longer to tick off.
> It may also be undergoing erratic day of the month changes. Is this a
> sign of a low pc battery, or is it another problem?
> Stan
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