F20 + Old but unused hardware continually core dumps

Tod Merley todbot88 at gmail.com
Mon Sep 1 05:48:41 UTC 2014


My test for a bad CMOS battery is simply to load the default CMOS values -
make sure the machine is NOT turned off - and see if the problem goes away
- but returns after the machine is turned off  (for a time).

HP suggests several things to look at (Joe's suggestion included):
http://h10025.www1.hp.com/ewfrf/wc/document?docname=bph03560&cc=us&dlc=en&lc=en

Some suggest using a meter (watch that it's impedance is very high and that
your fingers do not make you part of the circuit - very very low current
draw capabilities in these things):
http://smallbusiness.chron.com/check-battery-level-bios-47576.html

But frankly if you are going to go to all that trouble - for the cost (see:
http://www.amazon.com/Energizer-CR2032-Lithium-Battery-packs/dp/B00FO9HQLS/
) you might as well keep some on hand and replace them while you are in
there.


On Sun, Aug 31, 2014 at 10:07 PM, Joe Zeff <joe at zeff.us> wrote:

> On 08/31/2014 09:56 PM, Tod Merley wrote:
>
>>
>> cmos battery
>>
>
> That's an easy one to check for, especially on a laptop that's not on
> 24/7: go into your CMOS settings after it's been turned off for several
> hours (overnight should be ample) and see if the clock's running slow.
> Computers have been built to do that when the battery's running low for
> decades as a warning.
>
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