Pad missing on I5-6600K. Help?

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MissKitty66

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Jun 28, 2015
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I'm just wondering if there's any way to get this fixed? Are there places that specialize in this kind of thing I can go to? Or is it a lost cause?

IMG_5258.jpg
 
Solution
ko888
There are only nine VCCIO land pads and one VCCIO_SENSE land pad on an LGA1151 processor that power the on-die memory controller and shared cache.

If the conductive epoxy ink is able to make complete electrical contact with the through board conductor for the missing pad that is wired to the processor die then chances are good that it will work.
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InvalidError

InvalidError

Titan
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May 18, 2007
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Does the CPU still work? If it does, then it may have been one of hundreds of Vcore/GND pads and isn't particularly important. Pads that aren't connected to anything usually rip most easily, so it may have been an NC pad.

If the CPU is dead, re-creating the pad and successfully connecting it to the micro-via it likely goes to in order to reach the trace or plane it connects to on another layer would be difficult if not impossible.
 
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MissKitty66

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Jun 28, 2015
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I don't know if it's still properly working, as my previous motherboard is actually what broke it (defective Mobo).
I guess when I get my new motherboard I can test it to see if it works. Do I have to worry about it potentially messing up any of the other parts if it doesn't work?
 
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ko888

ko888

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Feb 18, 2009
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That's not a missing land pad. If there is arcing happening then it's due to poor contact of the socket's pin against the land pad. Maybe there is a bent pin in the socket.
 
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MissKitty66

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The lighting isn't the best in the picture, but I can assure you that the pad is in fact missing, not burnt out.

 
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ko888

ko888

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That's LAND # AK11 that is used for supplying VCCIO voltage to the processor's integrated memory controller.
 
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InvalidError

InvalidError

Titan
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I haven't checked the pinout but with 150+ IO pins to drive on the memory controller, I'd expect the package to have 60+ VCCmemio pads. Losing one shouldn't be a fatal issue but could reduce memory signal integrity a bit, which could reduce stable memory clock frequencies.
 
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ko888

ko888

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Feb 18, 2009
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There are only nine VCCIO land pads and one VCCIO_SENSE land pad on an LGA1151 processor that power the on-die memory controller and shared cache.

If the conductive epoxy ink is able to make complete electrical contact with the through board conductor for the missing pad that is wired to the processor die then chances are good that it will work.
 
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Solution
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Michael_381

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Aug 15, 2016
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I was wondering if the ink worked and where i might buy some. I'm having a similar problem, though my landing pads aren't burnt completely off, just little spots on the pads and think this ink may be helpful. When my custom infant 2500$ 2 year old skylake PC started skipping about during youtube playback (like a broken record) & shutting down sporadically, I investigated first by checking event viewer and noticing an event ID 41 task (63) kernal-power. I tried every fix on youtube to eradicate the issue with no avail. Then by disassembly to find that multiple landing pads looked discolored in spots and failed to retain their golden shine when light bounces off the back of the cpu. I also noticed that the landing pads do not have any signs of proper mating( small dimples or impressions of the pins within the landing pads) to the expensive ASUS maximum Hero 8 cpu socket (that I paid top dollar for 2 years ago). now i feel like I own over 600 U.S dollars of worthless intermittent garbage on my hands. thanks a lot ASUS! doubt they will replace the motherboard never-mind the CPU.
I only run a light adaptive overclock on the cpu to 4.5Ghz@ no more than 1.3 volts and never over 45-50c in 4k gaming, due to my custom water loop. Whats funny is it will pass all stress tests, even prime 95 that I just tried recently to try and rule out a cpu issues.
 
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MissKitty66

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Jun 28, 2015
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The ink worked for Me, I bought some Silver Epoxy and used a sewing pin to apply the paste to the missing socket very carefully, and then cleaned around the edges with rubbing alcohol and pointed Qtips. It required a fairly steady hand but it worked.
The Expoxy cost me $40 off of Amazon. But there are cheaper (nickle) types and more expensive professional types.

However the pad I replaced also wasn't overly important. So it's hard to say if it'll work as well for you if you do it.

It's worth a shot for $40. If you mess up too badly you can still remove the epoxy before it dries up.
 
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