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Broken CMOS clamp that holds the battery to MB


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#1 BoHunk

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Posted 23 March 2018 - 01:45 PM

:wacko: The title says it.  Have a less than 6 month old computer.  Upgraded the memory. While doing that I bumped on the CMOS batter and the bracket that holds it.  Thought nothing of it till things got bad.  Long story - short.  Needing to flash bios later I pulled the battery off the clamp. First time was ok, Second time I dislodged the bracket and it came off.  No battery - no computer. I tried putting the clamp back but nothing worked. 

 

As anyone ever fixed the holder for the battery on the MB??   I've talked to a local tech guy, he has his own business fixin.  He just shook his head.  Never been asked that , never heard of it. 

 

Is this MB broke? yes. Worth saving?  or buy new one.  

 

Model is :  MSI B150M  Bazooka Plus.  

 

Appreciate anything you might have.  Except of course the line "How the H did you do that?"  I've shared enough of my stupidity already   :nono:



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#2 mikey11

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Posted 23 March 2018 - 02:07 PM

only other option would be to solder it on there and hope it lasts the lifetime of the computer



#3 MadmanRB

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Posted 23 March 2018 - 02:08 PM

If its broken too badly there may be little hope, I mean you could try holding it with duct tape but I am not saying that will work.


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#4 OldPhil

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Posted 23 March 2018 - 02:43 PM

is the hold down tang broken off, if so you are SOL that is a main contact.  You may be able to RMA the board for repair, worth calling MSI.


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#5 JohnC_21

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Posted 23 March 2018 - 02:52 PM

If the bracket itself is broken you can purchase battery brackets but you need to make sure it will fit and you would need to solder it. If the bracket broke at the pins you would need to pull those out.

 

https://www.ebay.com/itm/20-Pcs-New-CR2025-2032-Battery-Button-Coin-Cell-Holder-Socket-Case-US-seller/151209190887?epid=1431835457&hash=item2334c525e7:g:nBcAAOxy63FS0yo1

 

Edit: you would need use a desolder tool or a solder wick to remove enough of the solder to get at the pins. You can also use a hand mandrel and mini-drills to open the pin holes. It's worth a try vs a new motherboard.


Edited by JohnC_21, 23 March 2018 - 02:57 PM.


#6 OldPhil

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Posted 23 March 2018 - 03:00 PM

Been thinking I seem to remember a two pin plug in holder, wondering if that an option?

 

They are available wonder if his board has pins to accomodate hooking one up??


Edited by OldPhil, 23 March 2018 - 03:35 PM.

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#7 Platypus

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Posted 23 March 2018 - 04:49 PM

You can use a 2xAAA or 2xAA battery clip with flying leads, just get the polarity right, solder + & - leads where the + & - pins have come off the board, e.g.:

 

https://www.ebay.com.au/itm/AAA-Battery-Clip-Holder-Box-Case-w-Wire-Lead-Enclosed-Box-Switch-Cover-hv2n/253177824685?var=552272659899

 

(Not specifically a recommendation, just an illustration)

 

Fresh, quality Alkaline batteries will back up CMOS for basically their marked shelf life, usually at least 7 years.


Edited by Platypus, 23 March 2018 - 04:52 PM.

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#8 OldPhil

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Posted 23 March 2018 - 04:55 PM

A late note "DO NOT SOLDER THE BATTERY" it will EXPLODE!!!!!!!!!!!!!!!!!!!


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#9 OldPhil

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Posted 23 March 2018 - 05:03 PM

Just spoke with a buddy, he recommended trying conductive tape.  He uses it on miniature projects with 12 volts says it should work fine he buys his at of all places Home Depot!


Edited by OldPhil, 23 March 2018 - 05:04 PM.

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#10 Platypus

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Posted 23 March 2018 - 05:11 PM

No battery - no computer.


Are you saying the computer doesn't operate at all since the holder broke off? Without CMOS backup, the system should simply not hold settings and time/date. Normally at each cold boot you need to go into settings to proceed.

If the system now won't boot up, then that's a different kettle of fish, the board has likely suffered damage.
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#11 r.a.d.

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Posted 23 March 2018 - 05:42 PM

If your problem isn't another 'kettle of fish', found this similar to conductive tape-

http://www.dslreports.com/forum/r17131956-

From thread-
http://www.dslreports.com/forum/r17117627-motherboard-CMOS-Battery-Clip
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#12 mjd420nova

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Posted 23 March 2018 - 06:37 PM

Check out your local electronic supplier.  I've replaced a few of these and it took a little hunting trough a catlog to find the correct one for each.  Most often it's a plastic molded mount and the metal clip does need to be soldered to the MOBO as it's the positve side of the connection.  I use Fry's electronics which has a large selection.  As directed, don't try to solder on the battery itself.


Edited by mjd420nova, 23 March 2018 - 06:38 PM.


#13 CyberSec_ET

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Posted 24 March 2018 - 03:05 AM

Buy a new motherboard, rather than taking risks in soldering.



#14 Platypus

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Posted 24 March 2018 - 03:20 AM

Wow.


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#15 OldPhil

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Posted 24 March 2018 - 10:12 AM

Since the OP has not responded I hope he did not try soldering, that ca produce disastrous results!


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