Can a Dead Battery...?

"Red Green" <postmaster@127.0.0.1> wrote in message
news:Xns99D986CADA7FCRedGreen@216.196.97.136...
> Grasping at straws that aren't even there question...
>
> Anyone ever hear of a machine not powering up (like it wasn't even plugged
> in, no clicking or anything) because of a bad battery?
>
> Just curios if it's worth the few bucks to even try.
>
> Red...

I have seen this behaviour with emachines. Also the CMOS batteries for some
reason had a very short life in these PC's.

MJP

"MJP" <mjpjunk32@hotmail.com> wrote in
news:4728b7fe$0$47130$892e7fe2@authen.yellow.readf reenews.net:

>
> "Red Green" <postmaster@127.0.0.1> wrote in message
> news:Xns99D986CADA7FCRedGreen@216.196.97.136...
>> Grasping at straws that aren't even there question...
>>
>> Anyone ever hear of a machine not powering up (like it wasn't even
>> plugged in, no clicking or anything) because of a bad battery?
>>
>> Just curios if it's worth the few bucks to even try.
>>
>> Red...
>
> I have seen this behaviour with emachines. Also the CMOS batteries for
> some reason had a very short life in these PC's.
>
> MJP
>
>
>

Thanks for the reply. Highly improbable is the feeling I'm getting...but
not impossible. Says it's worth the few bucks to try it anyway.

I've has this box for 6 yrs. Battery still shows 3 volts! But then, a car
battery can show 12v but not be able to deliver and current. Sometime
have seen household batteries do that. Don't know about lithium
batteries.

Thanks again,
Red...

> Anyone ever hear of a machine not powering up (like it wasn't even
plugged
> in, no clicking or anything) because of a bad battery?

I once pulled the cmos battery on a computer that was running to
replace it. I figured since the Bios was shadowed I could do it. The
computer shut down instantly though.

Red Green wrote:
> "MJP" <mjpjunk32@hotmail.com> wrote in
> news:4728b7fe$0$47130$892e7fe2@authen.yellow.readf reenews.net:
> > "Red Green" <postmaster@127.0.0.1> wrote in message
> > news:Xns99D986CADA7FCRedGreen@216.196.97.136...

> >> Grasping at straws that aren't even there question...
> >>
> >> Anyone ever hear of a machine not powering up (like it wasn't even
> >> plugged in, no clicking or anything) because of a bad battery?
> >>
> >> Just curios if it's worth the few bucks to even try.
> >>
> >> Red...
> >
> > I have seen this behaviour with emachines. Also the CMOS batteries for
> > some reason had a very short life in these PC's.
> >
> > MJP
> >
> >
> >
>
> Thanks for the reply. Highly improbable is the feeling I'm getting...but
> not impossible. Says it's worth the few bucks to try it anyway.
>
> I've has this box for 6 yrs. Battery still shows 3 volts! But then, a car
> battery can show 12v but not be able to deliver and current.

Then its not the problem. CMOS battery supplies approx zero
current in use, thats why a coin cell can last most of 10 yrs.


NT

On Oct 30, 9:16 pm, Red Green <postmas...@127.0.0.1> wrote:
> Shotgunning? I don't think so. Before even the first post I made I tested
> that switch, it's wires to the mainboard as well as put the power supply in
> another box.

Shotgunning refered to another's post that suggested replacing the
battery. To avoid shotguning, one measures battery voltage without
removing battery.

Even one minute measuring power supply's gray, green, and purple
wires with a multimeter before and when power switch is pressed is, by
far, the fastest way to obtain a useful reply. This one is rather
tame because important numbers (except battery voltage) are still not
provided.

If battery says 3 volts (and is rated as a 3 volt battery) while
attached to motherboard, then that is a best test to prove battery
100% good. The reason why this test reports 'without doubt' is
because the battery is under maximum load when attached to motherboard
(and power is off).. This same test works on a car battery, but only
when high beams, heater fan, rear window defogger, etc are all on (and
engine not running) to maximum load that battery when measuring..

Power up with peripherals disconnected tells us little that is
useful. Best numbers on the meter come when everything remains
connected and when numbers are taken both before and when power switch
it pressed. Again to have the next reply provide something useful,
get numbers for purple, green and gray wire both before and when power
switch is presses as described in "When your computer dies
without warning....." starting 6 Feb 2007 in the newsgroup
alt.windows-xp at:
http://tinyurl.com/yvf9vh

It will take many times longer to reply than to measure those posted
numbers. You many not appreciate how massively informative the next
reply will be by simply providing that data.