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Windows 7: motherboard battery???

30 Dec 2010   #11
seekermeister

W7x64 Pro, SuSe 12.1/** W7 x64 Pro, XP MCE
 
 

You don't have to have SpeedFan installed, but it is a handy monitor to have. The fact that the problem wasn't effected by changing batteries suggests that the problem may be with the contacts instead. It is not always easy to determine by a visual inspection, but that is where I would start.
Get a strong light, and if necessary a magnifying glass (for weak eyes like mine), and make certain that there is NO gap between the contact and the battery. It may be possible to use some kind of non-conductive shim to force the contact toward the battery, if there is any doubt. The contact that I'm talking about is the upper one that locks the battery in place.


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30 Dec 2010   #12
SeanHellen

Windows 7 Ultimate 64Bit
 
 

That was going to be my next question...which contact, lol. Do you mean the one that sort of makes its way round the outside of the battery? The battery has nothing on top of it, other than a small clip thing attached to a metal ring that goes round the outside - i assume this clip is to keep the battery in.
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30 Dec 2010   #13
seekermeister

W7x64 Pro, SuSe 12.1/** W7 x64 Pro, XP MCE
 
 

Yes, that clip is also a contact. Take something like a match, or something else (non-conductive) that is stiff enough to move that contact toward the battery. If there is any movement, then the contact may not be sufficient. You may need to remove the battery to be able to bend that contact toward the battery, but that bending would need to be done very carefully to prevent damage to the contact, or bending it so much that it interferes with placing the battery back into the socket.
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30 Dec 2010   #14
Dwarf

Windows 8.1 Pro RTM x64
 
 

Sorry, but the CMOS battery (the CR2032 lithium button cell) is NOT rechargeable. Some motherboards include a diode in series with the battery to prevent both damage to the battery (which can be caused by it being charged when it is not intended to be) and to the CMOS chip should the battery be inadverently inserted the wrong way round.

This video shows how to change a typical motherboard battery.

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30 Dec 2010   #15
Ivan the SoSo

windows 10 pro 64 bit
 
 

Standard 2032 button-cell batteries tend to explode if one if you attempt to charge it. The motherboard has a diode to prevent the battery from charging.
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30 Dec 2010   #16
linnemeyerhere

Microsoft Community Contributor Award Recipient

Windows 7 Ultimate 64
 
 

Dwarf is correct the CR2032's are not rechargeable in any fashion. They last for quite some time but as most can lay around on the mobo's for months before we get them it's always a good idea to have some new cells available for when they go. I would say they normally go in and around 3-4 years when fresh.
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31 Dec 2010   #17
SeanHellen

Windows 7 Ultimate 64Bit
 
 

Ok, so theyre not rechargeable lol. Ill see what happens when i get back tonight
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31 Dec 2010   #18
thefabe

Windows 7 ultimate 64 bit / XP Home sp3
 
 

I guess I'm missing something why not just break down and spend a coupe bucks and get a new one? I have several on hand all the time some from other boards that were fried but just the same it's not like their expensive.
Maybe it's just me but.....
Fabe
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31 Dec 2010   #19
SeanHellen

Windows 7 Ultimate 64Bit
 
 

Theres a new one in at the moment. Came with the board. Did have an old 1 from another board, i blamed the problem on that battery...i was wrong
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31 Dec 2010   #20
Ivan the SoSo

windows 10 pro 64 bit
 
 

Quote   Quote: Originally Posted by Ivan the SoSo View Post
Most motherboard batteries(at least all I have seen )are lithium, any attempt to recharge can result in fire, or explosion...so no recharging circuit....Have you done a BIOS update?
We got kinda derailed here....a bad BIOS flash or a corrupted one can make a checksum error.....a new Bios can also make the error since it's a different size from the old one......

I just asked if you done a BIOS update YES/NO....I wasn't going to suggest a BIOS update, why?...if the power blips, or something goes wrong it can(maybe) brick your motherboard...updating the BIOS can also void the warranty....

Next step clear the CMOS as suggested by Dwarf....look in the paperwork for the exact procedure.....Next try a different(new)battery, or test with a multi-meter....if all that comes out good.....bad CMOS chip on the motherboard....if it was a virus the problem would show up on reboot instead of being time dependent....

See the problem....The BIOS has been updated, now they have the perfect out to deny warranty replacement.

What is done is done...no need crying over spilt milk....check on the warranty, play dumb (BIOS what?)....maybe you can get a board without too much trouble
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 motherboard battery???




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