CPU Fan Quit Working

February 23, 2013 at 16:34:06
Specs: Windows 7, AMD Phenom Quad Core 2.20 GHZ / 4 gigs ram
Had to install (solder on Motherboard) Power Jack Everything was working great except the power jack was worn and loose so i replaced it and now everything works great including my Win 7 OS except the CPU cooling fan, will not come on or run at all, got me stumped. This is on an Acer Aspire 5517 Laptop. Please any opinions i will be glad to review.

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#1
February 23, 2013 at 16:57:14
The downside to circuitboard home repair is that the board itself usually comprises a sandwich structure with multiple tracks for different purposes in each layer. It is entirely possible that in removing the original powerjack connection and fixing in the replacement the circuit that powers the CPU fan was either shorted or left unconnected. A suggestion that might work would be to re-do the soldering on the new jack connector and hope it rectifies the issue. At this point you may consider taking it to a qualified tech for assessment/repair as motherboard replacement can be almost as costly as a new machine.

Goin' Fishin' (Some day)


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#2
February 26, 2013 at 11:27:14
I agree on the ciruits being everywhere and knowing if your newly soldered power jack is going to work is scary, i will go over the circuits again and hopefully the fan will start working otherwise i am going to take it to the Tech shop and let him trace it down. Thanks for all the help

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#3
March 7, 2013 at 08:04:41
Was wondering Richard if you know of a soldering paste or liquid that can be used on circuit boards? this would male it much safer and less harmful to a motherboard ect.??

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Related Solutions

#4
March 7, 2013 at 19:04:25
It is called 'Liquid Solder-Flux' by GC Electronics and becomes inert once it has been heated enough. Still, it is safest to use only rosin core solder. I have a bottle for many years, when I need it, it is there and it is very valuable to me.
Details:
http://www.amazon.com/GC-Electronic...
http://gcelectronics.com/order/msds...

You have to be a little bit crazy to keep you from going insane.


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