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Broken power PIN does the motherboard have to be replaced?

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If you are experienced in removing items from PCB boards and soldering new ones you could get another pin from another board and replace your broken one. Unless your motherboard replacement cost is over $200, if you have to rely on a repair tech to do it for you it will probably be cheaper to replace the board.

Posted on Aug 02, 2009

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Posted on Jan 02, 2017

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Iphone 4s screen and battery replacement now only powers on thru cord and base


Your new battery might has some issues. Put your old battery back on and try your charging cord and base. If it starts charging your old battery; it means new battery has a problem. If old battery doesn't charge too; i suggest you to try a working charger. If it still doesn't response; most probably during replacement process; you damaged pins of your phone's charging port connector.
section-3h5pkc2unruv115jj1tsixdi-3-1.jpg

If broken pin is at above red circuled area; you are lucky because it has price around $5. But if broken pin is at motherboard side, it may cost you around $50 or more due to motherboard repair.

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I am replacing a motherboard with a G31-M7 TE and find that my existing power supply has a 20 pin plug consistant with the old motherboard but the new one has a 24 pin socket. Why is this and do I need to...


New motherboards have a 24-pin power connector. Here is a diagram of both plugs:

pgh_pa_guy_3.jpg

You can see that the two are almost identical. The extra 4 pins on the 24-pin connector provide extra connection points for a few voltages. Newer boards and processors need more current, and the extra pins were added to prevent overloading.

Adapter cables are available to go from your 20-pin power supply plug to the 24-pin motherboard connector. Here's one from TigerDirect, and other vendors have them as well. If you're not making other changes than replacing the motherboard, you shouldn't need more than this adapter.

If you are upgrading your processor along with the motherboard, you should probably replace the power supply too. Older power supplies are often in the 300-watt range, and this is too low for reliable operation with new processors, motherboards and video cards. A new 500 or 600-watt supply is not expensive, and would give you the 24-pin power connection the motherboard needs.

Hope this has helped. Thanks for using Fixya!

Nov 20, 2010 | Biostar G31-M7 TE Motherboard

1 Answer

My elitegroup laptop was no power at all, then the pin positive is shorted to pin negative


DC Jack diagnosis:
1. Test power adapter for output voltage. Bend the power cable in various directions while doing this to be sure that there is no broken conductors in the cable.
2. If power adapter is Ok, connect it & see if the power LED on the laptop will glow when you jiggle the power connector in various directions. If yes, then the DC jack might be loose or damaged, & need to be either re-soldered or replaced.
3. If not, then disassemble the laptop. Remove any components that attach to the laptop's motherboard first (e.g. battery, hard drive, RAM, wireless card, optical drive, ... etc.)
4. Next, remove the keyboard & the LCD screen.
5. Finally, unscrew all screws that hold the upper cover & lower cover together so that you could gain access to the motherboard.
6. Inspect the solder points connecting the DC jack to the motherboard. Make sure that none of them is loose. If any, re-solder them.
7. Inspect the center pin in the DC jack. Make sure that it is not broken or loose. If it is, then you might need to replace the DC jack.
8. When you are done, re-assemble back the laptop.

Oct 09, 2010 | EliteGroup G320 Notebook

1 Answer

Nothing on my Emachines computer will turn on.


I would recommend rechecking your connection to the motherboard. All wires from the power supply to board and making sure the front panel switch connection are correct. Also, make sure the power supply is compatible to the motherboare. even though a 20-Pin ps will connect to a 24-Pin board, it still does not work. Good Luck

Franklin
C2Solutions

Aug 02, 2009 | eMachines D3415 PC Desktop

2 Answers

Pin from motherboard is broken. No more power


You'll need to replace the power jack.

Most shops / techs charge $75-100 but that depends on your location.

If you do itself it's about $10 for the jack.

You can get them on eBay fairly easy.

This type of repair is not covered under warranty.

Best of luck!

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The pin on my power connector is broken


If you are referring to the pin on the AC brick (the part that actually plugs into the wall), then you don't fix it. Due to risk of fire, it would need to be replaced.

If the pin is on the laptop itself, then you would either need to replace the motherboard or obtain a DC jack and sodder it to the motherboard after removing the old one. (Generally, the DC jacks are not field replacable.)

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HP Compaq nx7300. Pin has broken off from the power cord supply. Mains input cord now won't work as part of pin is possibly stuck inside. Took to original supplier who quoted £220 to replace entire...


absoloutly not!!!!! if the pin has broken in the external power cord and not inside the PC itself then all you have to do is replace the PSU ( power supply unit ) and the lead, this should cost you no more than £35 and its easy to replace yourself

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2 Answers

Power problem


If you are sure about Power pin is broken an expert technician can assist to get it fixed [instead of replacing the mother board]

Best Regards
Rafique

Feb 19, 2008 | HP Pavilion ze5185 Notebook

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