battery on the motherboard

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Jack B

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When does the little battery on the motherboard need to be replaced?



Jack
 
Before it craps out.



Jack B wrote:

> When does the little battery on the motherboard need to be replaced?

>

> Jack
 
When the clock is wrong after booting up from a power off condition.

"Jack B" wrote in message

news:eTMQ9Vp0KHA.4832@TK2MSFTNGP04.phx.gbl...

> When does the little battery on the motherboard need to be replaced?

>

> Jack

>

>
 
On Fri, 2 Apr 2010 14:50:48 -0400, "Jack B"

wrote:



> When does the little battery on the motherboard need to be replaced?







When it fails. You will know when that begins because the clock will

start to lose time whenever the machine is powered off.



When does that happen? It depends entirely on the specific battery.

Sometime as soon as a couple of months after purchase. Sometimes as

much as five years later.



--

Ken Blake, Microsoft MVP (Windows Desktop Experience) since 2003

Please Reply to the Newsgroup
 
No, it only *needs* to be replaced *after* it craps out.



PA Bear [MS MVP] wrote:

> Before it craps out.

>

> Jack B wrote:

>> When does the little battery on the motherboard need to be replaced?

>>

>> Jack





--

Lem



Apollo 11 - 40 years ago:

http://www.nasa.gov/mission_pages/apollo/40th/index.html
 
Thanks.



My pc is 8½ yrs old so I probably ought to replace the battery. Is there

anything in particular I should be aware of in doing that?





Jack









"Ken Blake, MVP" wrote in message

news:h1hcr51pn0jk3jbb3f565qke2fcuthfucc@4ax.com...

On Fri, 2 Apr 2010 14:50:48 -0400, "Jack B"

wrote:



> When does the little battery on the motherboard need to be replaced?







When it fails. You will know when that begins because the clock will

start to lose time whenever the machine is powered off.



When does that happen? It depends entirely on the specific battery.

Sometime as soon as a couple of months after purchase. Sometimes as

much as five years later.



--

Ken Blake, Microsoft MVP (Windows Desktop Experience) since 2003

Please Reply to the Newsgroup
 
Jack B wrote:

> Thanks.

>

> My pc is 8½ yrs old so I probably ought to replace the battery. Is there

> anything in particular I should be aware of in doing that?

>

>

> Jack

>

>

>

>

> "Ken Blake, MVP" wrote in message

> news:h1hcr51pn0jk3jbb3f565qke2fcuthfucc@4ax.com...

> On Fri, 2 Apr 2010 14:50:48 -0400, "Jack B"

> wrote:

>

>> When does the little battery on the motherboard need to be replaced?

>

>

>

> When it fails. You will know when that begins because the clock will

> start to lose time whenever the machine is powered off.

>

> When does that happen? It depends entirely on the specific battery.

> Sometime as soon as a couple of months after purchase. Sometimes as

> much as five years later.

>



Unplug the computer from the wall (you might also wait a few minutes

after you unplug it) and discharge any static electricity from your body

before working on the computer (and/or wear an antistatic wrist strap).

Don't poke your fingers (or any metallic tool) in random parts of the

computer.



This is a FAQ: http://lmgtfy.com/?q=replace+cmos+battery







--

Lem



Apollo 11 - 40 years ago:

http://www.nasa.gov/mission_pages/apollo/40th/index.html
 
Simple common sense. Turn power off but leave line cord plugged in.

(Provides static discharge path)

Touch frame of computer before anything else (discharge static)

"Jack B" wrote in message

news:%23dK9Sdq0KHA.4548@TK2MSFTNGP06.phx.gbl...

> Thanks.

>

> My pc is 8½ yrs old so I probably ought to replace the battery. Is there

> anything in particular I should be aware of in doing that?

>

>

> Jack

>

>

>

>

> "Ken Blake, MVP" wrote in message

> news:h1hcr51pn0jk3jbb3f565qke2fcuthfucc@4ax.com...

> On Fri, 2 Apr 2010 14:50:48 -0400, "Jack B"

> wrote:

>

>> When does the little battery on the motherboard need to be replaced?

>

>

>

> When it fails. You will know when that begins because the clock will

> start to lose time whenever the machine is powered off.

>

> When does that happen? It depends entirely on the specific battery.

> Sometime as soon as a couple of months after purchase. Sometimes as

> much as five years later.

>

> --

> Ken Blake, Microsoft MVP (Windows Desktop Experience) since 2003

> Please Reply to the Newsgroup

>

>
 
as they say:



"If it aint broke

then don't fix it"



--



db·´¯`·...¸>

DatabaseBen, Retired Professional

- Systems Analyst

- Database Developer

- Accountancy

- Veteran of the Armed Forces

- Microsoft Partner

- @hotmail.com

~~~~~~~~~~"share the nirvana" - dbZen



>

>



"Jack B" wrote in message news:#dK9Sdq0KHA.4548@TK2MSFTNGP06.phx.gbl...

> Thanks.

>

> My pc is 8½ yrs old so I probably ought to replace the battery. Is there

> anything in particular I should be aware of in doing that?

>

>

> Jack

>

>

>

>

> "Ken Blake, MVP" wrote in message

> news:h1hcr51pn0jk3jbb3f565qke2fcuthfucc@4ax.com...

> On Fri, 2 Apr 2010 14:50:48 -0400, "Jack B"

> wrote:

>

>> When does the little battery on the motherboard need to be replaced?

>

>

>

> When it fails. You will know when that begins because the clock will

> start to lose time whenever the machine is powered off.

>

> When does that happen? It depends entirely on the specific battery.

> Sometime as soon as a couple of months after purchase. Sometimes as

> much as five years later.

>

> --

> Ken Blake, Microsoft MVP (Windows Desktop Experience) since 2003

> Please Reply to the Newsgroup

>

>
 
On 4/2/2010 5:19 PM EDT, Unknown wrote:

> Simple common sense. Turn power off but leave line cord plugged in.

> (Provides static discharge path)

> Touch frame of computer before anything else (discharge static)



Turning power off and leaving AC power cord plugged in is *not* a good

idea. This does not completely remove power from the motherboard. The

Standby +5VDC is still active even when the rest of the power supply

lines are off. This is used to power the circuitry that controls the

Power-On signal, and network card's Wake-On-LAN capabilities. Always

unplug the AC cord is the common sense approach.
 
On Fri, 2 Apr 2010 16:58:30 -0400, "Jack B"

wrote:



> Thanks.





You're welcome. Glad to help.







> My pc is 8½ yrs old so I probably ought to replace the battery.





8½ years is an extraordinarily long time for a battery; you've been

very fortunate.



If you're not having problems with it, there's no rush to replace it.

On the other hand, it can't last a whole lot longer. And since they

are very cheap (under $5 US) and they are very easy to replace,

there's no real downside to doing it now.





> Is there

> anything in particular I should be aware of in doing that?





As I said, it's very easy. My only suggestion, if you've never done it

before, is to get a friend who has done it to work with you and show

you how.







> "Ken Blake, MVP" wrote in message

> news:h1hcr51pn0jk3jbb3f565qke2fcuthfucc@4ax.com...

> On Fri, 2 Apr 2010 14:50:48 -0400, "Jack B"

> wrote:

>

> > When does the little battery on the motherboard need to be replaced?

>

>

>

> When it fails. You will know when that begins because the clock will

> start to lose time whenever the machine is powered off.

>

> When does that happen? It depends entirely on the specific battery.

> Sometime as soon as a couple of months after purchase. Sometimes as

> much as five years later.

>

> --

> Ken Blake, Microsoft MVP (Windows Desktop Experience) since 2003

> Please Reply to the Newsgroup

>



--

Ken Blake, Microsoft MVP (Windows Desktop Experience) since 2003

Please Reply to the Newsgroup
 
On Apr 2, 4:58 pm, "Jack B" wrote:

> Thanks.

>

> My pc is 8½ yrs old so I probably ought to replace the battery.  Is there

> anything in particular I should be aware of in doing that?

>

> Jack

>

> "Ken Blake, MVP" wrote in messagenews:h1hcr51pn0jk3jbb3f565qke2fcuthfucc@4ax.com...

> On Fri, 2 Apr 2010 14:50:48 -0400, "Jack B"

>

> wrote:

> > When does the little battery on the motherboard need to be replaced?

>

> When it fails. You will know when that begins because the clock will

> start to lose time whenever the machine is powered off.

>

> When does that happen? It depends entirely on the specific battery.

> Sometime as soon as a couple of months after purchase. Sometimes as

> much as five years later.

>

> --

> Ken Blake, Microsoft MVP (Windows Desktop Experience) since 2003

> Please Reply to the Newsgroup



If you provide more information, we can perhaps help you locate a

manual that will tell you exactly how to replace your battery. If it

has been 8.5 years, that is a good life and if you have never changed

it, it might be a good time to perform some other routine maintenance

on your system so you can get another 8.5 years out of it.



If you do nor provide more information, you will just get general

ideas that might apply to your system. So far, you have gotten some

conflicting information - which is the right information?



Please provide additional information about your system:



Click Start, Run and in the box enter:



msinfo32



Click OK, and when the System Summary info appears, click Edit, Select

All, Copy and then paste the information back here.



There will be some personal information (like System Name and User

Name), and whatever appears to be private information to you, just

delete it from the pasted information.



This will minimize back and forth Q&A and eliminate guesswork.
 
Nit duly picked.



Lem wrote:

> No, it only *needs* to be replaced *after* it craps out.

>

> PA Bear [MS MVP] wrote:

>> Before it craps out.

>>

>> Jack B wrote:

>>> When does the little battery on the motherboard need to be replaced?

>>>

>>> Jack
 
Whenever you don't have any pigs to attack and you are looking for

something to do.



hth





Jack B wrote:

>

> When does the little battery on the motherboard need to be replaced?

>

> Jack
 
"NA" wrote in message news:4BB6675A.9090901@na.org...

> On 4/2/2010 5:19 PM EDT, Unknown wrote:

>> Simple common sense. Turn power off but leave line cord plugged in.

>> (Provides static discharge path)

>> Touch frame of computer before anything else (discharge static)

>

> Turning power off and leaving AC power cord plugged in is *not* a good

> idea. This does not completely remove power from the motherboard. The

> Standby +5VDC is still active even when the rest of the power supply lines

> are off. This is used to power the circuitry that controls the Power-On

> signal, and network card's Wake-On-LAN capabilities. Always unplug the AC

> cord is the common sense approach.



Unknown is incorrect with the newer computers but where that information was

obtained is that it was correct in older AT class computers that actually

had the computer's power switch on the power supply. The newer computers

where it is an electrically controlled switch (momentary contact type switch

on the case) on the motherboard what unknown said can cause the computer to

be fried quickly as you pointed out.



Unplug it and also anything that could be sending a signal to the computer,

such as self powered scanner, attached external drives, etc. They can

"backfeed" through the signal cable into the computer's motherboard (granted

this is not much current but...)



I have created a ground strap with an alligator clip on one end that is

clipped on the metal frame of the computer and a standard wall plug's ground

that can be plugged in to provide a chassis ground. This is done, of

course, after all has been unplugged.
 
You are absolutely correct. I neglected to add the proper procedures when

using a

multiple outlet box with an on/off switch. I (dumbly) assumed poster had box

with switch.

Be more careful next time.

"NA" wrote in message news:4BB6675A.9090901@na.org...

> On 4/2/2010 5:19 PM EDT, Unknown wrote:

>> Simple common sense. Turn power off but leave line cord plugged in.

>> (Provides static discharge path)

>> Touch frame of computer before anything else (discharge static)

>

> Turning power off and leaving AC power cord plugged in is *not* a good

> idea. This does not completely remove power from the motherboard. The

> Standby +5VDC is still active even when the rest of the power supply lines

> are off. This is used to power the circuitry that controls the Power-On

> signal, and network card's Wake-On-LAN capabilities. Always unplug the AC

> cord is the common sense approach.
 
NA écrivait news:4BB6675A.9090901@na.org:



> On 4/2/2010 5:19 PM EDT, Unknown wrote:

>> Simple common sense. Turn power off but leave line cord plugged in.

>> (Provides static discharge path)

>> Touch frame of computer before anything else (discharge static)

>

> Turning power off and leaving AC power cord plugged in is *not* a good

> idea. This does not completely remove power from the motherboard. The

> Standby +5VDC is still active even when the rest of the power supply

> lines are off. This is used to power the circuitry that controls the

> Power-On signal, and network card's Wake-On-LAN capabilities. Always

> unplug the AC cord is the common sense approach.



My P4 and Core2Quad computers have Asus motherboards (retails) and Antec

power supplies (retails).



There are leds on the motherboards and ON/OFF (1/0) switches on the power

supplies on the back of the towers.



When I flip the power supplies to OFF (0), the leds on the motherboards go

out and I am not able to turn on the computers from the power switch in

front of the tower and I am pretty sure they would not power on using Wake-

On-Lan or keyboard keystrokes. That tells me that there is NO power going

to the MB and I can do maintenance such as replacing MB battery or memory

on them without unplugging the power cord from the wall or power bar, I

already replaced the battery on my P4 and added memory to the Core2Quad

only turning the back switch OFF and no problems.



The only time I unplug that cord, is when I take the towers outside to

remove accumulated dust with air spray cans.



Of course if the power supplies don't have the power switch like many OEM

models, you need to unplug the power cord.
 
Your computer is not a United States version. It probably is Canadian.

Electrical specs vary from country to country.

The US computers do not have on/off switches on the back of the power

supplies.

"Doum" wrote in message

news:XnF9D5084EF467A3doumdomainnet@207.46.248.16...

> NA écrivait news:4BB6675A.9090901@na.org:

>

>> On 4/2/2010 5:19 PM EDT, Unknown wrote:

>>> Simple common sense. Turn power off but leave line cord plugged in.

>>> (Provides static discharge path)

>>> Touch frame of computer before anything else (discharge static)

>>

>> Turning power off and leaving AC power cord plugged in is *not* a good

>> idea. This does not completely remove power from the motherboard. The

>> Standby +5VDC is still active even when the rest of the power supply

>> lines are off. This is used to power the circuitry that controls the

>> Power-On signal, and network card's Wake-On-LAN capabilities. Always

>> unplug the AC cord is the common sense approach.

>

> My P4 and Core2Quad computers have Asus motherboards (retails) and Antec

> power supplies (retails).

>

> There are leds on the motherboards and ON/OFF (1/0) switches on the power

> supplies on the back of the towers.

>

> When I flip the power supplies to OFF (0), the leds on the motherboards go

> out and I am not able to turn on the computers from the power switch in

> front of the tower and I am pretty sure they would not power on using

> Wake-

> On-Lan or keyboard keystrokes. That tells me that there is NO power going

> to the MB and I can do maintenance such as replacing MB battery or memory

> on them without unplugging the power cord from the wall or power bar, I

> already replaced the battery on my P4 and added memory to the Core2Quad

> only turning the back switch OFF and no problems.

>

> The only time I unplug that cord, is when I take the towers outside to

> remove accumulated dust with air spray cans.

>

> Of course if the power supplies don't have the power switch like many OEM

> models, you need to unplug the power cord.
 
I don't think so, check out the pictures on this page, they all have

switches.



http://www.newegg.com/Store/Category.aspx?Category=32&name=Power-Supplies



I made sure to use the Newegg US page, the Canadian site is newegg.ca.



By the the way Canadian and American electricity is the same, 60 hertz

and some electricity used in US comes from Canada and some electricity

used in Canada comes from US.





"Unknown" écrivait

news:#QPT0zB1KHA.5004@TK2MSFTNGP05.phx.gbl:



> Your computer is not a United States version. It probably is Canadian.

> Electrical specs vary from country to country.

> The US computers do not have on/off switches on the back of the power

> supplies.

> "Doum" wrote in message

> news:XnF9D5084EF467A3doumdomainnet@207.46.248.16...

>> NA écrivait news:4BB6675A.9090901@na.org:

>>

>>> On 4/2/2010 5:19 PM EDT, Unknown wrote:

>>>> Simple common sense. Turn power off but leave line cord plugged in.

>>>> (Provides static discharge path)

>>>> Touch frame of computer before anything else (discharge static)

>>>

>>> Turning power off and leaving AC power cord plugged in is *not* a

>>> good idea. This does not completely remove power from the

>>> motherboard. The Standby +5VDC is still active even when the rest

>>> of the power supply lines are off. This is used to power the

>>> circuitry that controls the Power-On signal, and network card's

>>> Wake-On-LAN capabilities. Always unplug the AC cord is the common

>>> sense approach.

>>

>> My P4 and Core2Quad computers have Asus motherboards (retails) and

>> Antec power supplies (retails).

>>

>> There are leds on the motherboards and ON/OFF (1/0) switches on the

>> power supplies on the back of the towers.

>>

>> When I flip the power supplies to OFF (0), the leds on the

>> motherboards go out and I am not able to turn on the computers from

>> the power switch in front of the tower and I am pretty sure they

>> would not power on using Wake-

>> On-Lan or keyboard keystrokes. That tells me that there is NO power

>> going to the MB and I can do maintenance such as replacing MB battery

>> or memory on them without unplugging the power cord from the wall or

>> power bar, I already replaced the battery on my P4 and added memory

>> to the Core2Quad only turning the back switch OFF and no problems.

>>

>> The only time I unplug that cord, is when I take the towers outside

>> to remove accumulated dust with air spray cans.

>>

>> Of course if the power supplies don't have the power switch like many

>> OEM models, you need to unplug the power cord.

>

>

>
 
Unknown wrote:

> Your computer is not a United States version. It probably is Canadian.

> Electrical specs vary from country to country.

> The US computers do not have on/off switches on the back of the power

> supplies.



They do if they have half-way decent (as not bargain brand Chinese

crap) power supplies. I won't buy a computer that doesn't have a

separate switch directly on the power supply, and for the very reasons

under discussion in this thread: When working inside the computer case,

it's essential to have a reliable path to ground/earth. The plugged in

power cord is the surest means of achieving this.





--



Bruce Chambers



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