SuperConker
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Monday, December 01, 2014 7:22 AM
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Have just recently built a new Haswell-E computer with the Evga X99 Classified motherboard where the PSU (Corsair AX860) went up in smoke, and i'm in the progress of getting that RMA'ed, and since the store where i bought it no longer have that PSU i might either get the AX860i as a replacement, or my money back. Just got done uninstalling the faulty PSU, and removed the cables from it, but the 24pin cable was stuck pretty good in the motherboard so i was unable to get a good grip on the cable, and decided to unscrew the motherboard to get it out. One of the motherboard spacers started slipping under the motherboard, so i couldn't get the last screw out, and were forced to open up the other side panel, and hold the spacer with a plier, and unscrew the screw while holding the spacer still, and that worked... Unfortunately i can now see that the spacer have removed a tiny bit of the black coating around the screw-hole on the back of the motherboard, and was wondering if this will break the motherboard? or short it out with the case, once i get a new PSU and re-install everything? It has revealed a some copper where there was black coating, the "damage" is really small and barely visible, and the copper is intact, and not scratched, or worn off thankfully. Here's a picture of the screw-hole:  As you can see, there's a half-circle of copper exposed there between the solder pads and the hole. Is this something to worry about, or should the motherboard still work fine?
post edited by SuperConker - Monday, December 01, 2014 7:27 AM
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StretchMaK
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Re: Motherboard screw-hole question.
Monday, December 01, 2014 11:37 PM
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Not sure what the pic is showing us but you should be ok. The metal around the screw holes makes no electrical connection to anything that is going to short out the board. My understanding is that the metal around the hole gives the screw some traction and keeps the screw from crushing the board around the hole.
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SuperConker
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Re: Motherboard screw-hole question.
Tuesday, December 02, 2014 1:12 AM
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I know the metal/solder pads around the hole protects the board from being crushed/damaged from a screw or a spacer. But in my case the motherboard spacers have not touched the solder pads that surrounds the hole, and instead been resting on the inner circle right on the edge of the hole. So when that one spacer started slipping under the board, it must have rubbed off some of the black coating on the board on this one particular hole (the other screw-holes are fine). I have outlined what i mean here: The area inside the marked area there used to be coated black like the rest of the board, so i'm a little unsure if this is connected to the solder pads that surrounds the hole (in which case, it's probably fine) or if it's coated for a reason. Motherboard spacer would be making contact with the marked area, which is why i'm a little concerned.
post edited by SuperConker - Tuesday, December 02, 2014 1:53 AM
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tonschk
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Re: Motherboard screw-hole question.
Tuesday, December 02, 2014 7:46 AM
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☄ Helpfulby SuperConker Tuesday, December 02, 2014 10:35 AM
To avoid the sharp metal spacers to punch through the PCB of the motherboard, I use thick rubber spacers (can be made also with plastic) to rest the motherboard on them  
post edited by tonschk - Tuesday, December 02, 2014 7:58 AM
PC Power&Cooling 910W Silencer, I just LOVE this high quality and built to last PSU
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SuperConker
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Re: Motherboard screw-hole question.
Tuesday, December 02, 2014 8:27 AM
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Those are some nice spacers, might get something like that to go around my spacers. Although this happened when removing the motherboard, as one of the spacers came lose and was turning along with the screw. I have tightened it properly with a nut driver now and double checked the rest (they were already good) so it won't happen again. Should the motherboard still be fine with some coating missing around the hole? There's no damage down in the hole, just on the surface of the PCB (some coating missing).
post edited by SuperConker - Tuesday, December 02, 2014 8:31 AM
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the_Scarlet_one
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Re: Motherboard screw-hole question.
Tuesday, December 02, 2014 8:31 AM
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☄ Helpfulby SuperConker Tuesday, December 02, 2014 10:36 AM
SuperConker I know the metal/solder pads around the hole protects the board from being crushed/damaged from a screw or a spacer. But in my case the motherboard spacers have not touched the solder pads that surrounds the hole, and instead been resting on the inner circle right on the edge of the hole. So when that one spacer started slipping under the board, it must have rubbed off some of the black coating on the board on this one particular hole (the other screw-holes are fine). I have outlined what i mean here:
 The area inside the marked area there used to be coated black like the rest of the board, so i'm a little unsure if this is connected to the solder pads that surrounds the hole (in which case, it's probably fine) or if it's coated for a reason. Motherboard spacer would be making contact with the marked area, which is why i'm a little concerned.
If you look at the traces around the mounting point, they do not run through the mounting holes or near the mounting around for the reason of not breaking the traces. You can see a small depression around the solder "spokes" and there are no traces any closer than the outside of that point. Traces = Red Bufferzone = blue In short, you are fine. There is not electricity running through any of the mounting points. Look at all of them and you will see that the traces don't come any closer than the outside of the buffer area for a reason. :-) If you are still nervous, put a very small dab of clear fingernail polish over the area.
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SuperConker
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Re: Motherboard screw-hole question.
Tuesday, December 02, 2014 8:46 AM
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That's good news, thank you very much for that! Don't have a working PSU for the PC yet, so just wanted to know if this was of any concern before putting the motherboard back in. I take it those solder spokes are soldered onto the copper that is under the coating around the hole kind of like this? (within the depression) (that picture is not from my board, just an example picture i found on google)
post edited by SuperConker - Tuesday, December 02, 2014 9:23 AM
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athanassiosmakriniotis
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Re: Motherboard screw-hole question.
Tuesday, December 02, 2014 9:04 AM
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From wich motherboard is your final pic taken? It is certenally not EVGA. Evga boards shows from far away. You do not have a working PSU? You have to get a propper PSU for your built otherwise we talking noncense.
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SuperConker
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Re: Motherboard screw-hole question.
Tuesday, December 02, 2014 9:20 AM
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That is just a picture i found on google, and wondering if the solder pads/spokes are soldered to that silver circle under the black coating on my board. As for the PSU (AX860), it decided to smoke after being powered for around 1 minute in my new computer, so have to wait for it to be RMA'ed.
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tonschk
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Re: Motherboard screw-hole question.
Tuesday, December 02, 2014 9:24 AM
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cancel
post edited by tonschk - Tuesday, December 02, 2014 9:44 AM
PC Power&Cooling 910W Silencer, I just LOVE this high quality and built to last PSU
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tonschk
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Re: Motherboard screw-hole question.
Tuesday, December 02, 2014 9:41 AM
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PC Power&Cooling 910W Silencer, I just LOVE this high quality and built to last PSU
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the_Scarlet_one
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Re: Motherboard screw-hole question.
Tuesday, December 02, 2014 9:55 AM
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☼ Best Answerby SuperConker Tuesday, December 02, 2014 10:36 AM
 tonschk
athanassiosmakriniotis It is certainly not EVGA.
Yes it is,
the board he is referring to is the "final" picture, which is just a picture from the internet tubes of life. Not from the x99 Classified. SuperConker, no idea what is under there, but I am sure it is full of magic and fiberglass and wizardry that I am not willing to take a drill to just to figure out :-) Wait a second, I drilled through 750Ti.. Sorry for the terrible pictures but: Looks like the fiberglass of the PCB. There may be some copper or something in there, but I am not willing to take a drill to a $400 motherboard. Either way, you are fine. There is nothing to worry about. Notice how close the traces are to the mounting holes of the 750ti?
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SuperConker
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Re: Motherboard screw-hole question.
Tuesday, December 02, 2014 10:41 AM
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Alright, thank you very much for the answers, and those pictures : ) I do feel sorry for that poor 750ti though! lol Will go ahead and reinstall my motherboard, and i might use some nail polish on that screw-hole on my Classified to cover the spot.
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the_Scarlet_one
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Re: Motherboard screw-hole question.
Tuesday, December 02, 2014 12:03 AM
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Why would you be sad for it? It would as cheap, ran cool when on air and runs like ice with a shady looking water block. It has never been happier, lol.. Well, it may have before I ran a drill through it, but it is still a surprise lyrics strong little card.
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