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Bad EKWB CPU Contact, please help.

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post #1 of 85 (permalink) Old 08-06-2019, 06:26 PM - Thread Starter
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Bad EKWB CPU Contact, please help.

Hey guys!
I recently picked up a EK Classic for my Ryzen 7 3700x, but I'm experiencing very high temps. I made a thread explaining the situation and asking for help. Here's a YouTube video I made for a quick recap:

So, I emailed EK's support, but they're taking too long to give me a definite answer on what I should do, so maybe you guys can help me out? It seems as if the IHS on the CPU and Cold plate are not making adequate contact. What should I do now?

UPDATE 8/19/2019
I received the new EK Cold plate, while it *seems* to have made better contact due to the better thermal paste spread, it still gets very hot. Rads and water are cold to the touch after a prime95 load, and changing fan speed doesn't seem to effect temperatures at all. I might have to bite the bullet lap the original Cold plate, and POSSIBLY Lap my CPU. I really don't wanna void the warranty on the most expensive and fastest CPU I've ever purchased.
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Last edited by m70b1jr; 08-19-2019 at 07:52 PM.
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post #2 of 85 (permalink) Old 08-06-2019, 06:29 PM
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Lap the block?

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post #3 of 85 (permalink) Old 08-06-2019, 06:31 PM
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get a metal ruler type deal & see if the cpu IHS is derformed, if so lap. more likely the IHS than the block.

or maybe that one radiator simply isn't enough for that chip? idk enough about amd heat production these days.

if block is flat, & chip is flat... does your radiator get nice & warm after it runs for a bit? but based on that chip imprint, chip ihs isn't flat/bad crank job... you seem pretty competent though, so chip ihs.

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Last edited by skupples; 08-06-2019 at 06:35 PM.
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post #4 of 85 (permalink) Old 08-06-2019, 06:42 PM - Thread Starter
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Quote: Originally Posted by skupples View Post
get a metal ruler type deal & see if the cpu IHS is derformed, if so lap. more likely the IHS than the block.

or maybe that one radiator simply isn't enough for that chip? idk enough about amd heat production these days.

if block is flat, & chip is flat... does your radiator get nice & warm after it runs for a bit? but based on that chip imprint, chip ihs isn't flat/bad crank job... you seem pretty competent though, so chip ihs.
Watch the youtube video please.. I have 2x radiators (1x 120mm and 1x 240mm) and they do not warm up at all during a sustained prime 95 load, my water barely gets warm. However if I do a GPU Stress test, the rads will heat up, which makes me deff think there's a heat transfer issues between IHS and Waterblock.

Does lapping void the AMD Warranty?

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post #5 of 85 (permalink) Old 08-06-2019, 06:44 PM
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yeah, i ended it @ 3/4s thru.

yes, lapping voids warranty. Even scrubbing the info off the front voids warranty, at least @ Intel...

You may be able to talk them into sending another sample though, if you can prove its the IHS causing the temp issue. not sure. haven't dealt with team red in many moons, & now give intel the extra money to insure my chip past spec.

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post #6 of 85 (permalink) Old 08-06-2019, 06:47 PM - Thread Starter
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Quote: Originally Posted by skupples View Post
yeah, i ended it @ 3/4s thru.

yes, lapping voids warranty. Even scrubbing the info off the front voids warranty, at least @ Intel...

You may be able to talk them into sending another sample though, if you can prove its the IHS causing the temp issue. not sure. haven't dealt with team red in many moons, & now give intel the extra money to insure my chip past spec.
Alright. Thanks! I talked a lot in the video so I see why you ended it.
I'll see if I can get a straight edge and look up methods for testing flatness. I don't want any downtime with my PC, so hopefully AMD can cross-ship with me.

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post #7 of 85 (permalink) Old 08-06-2019, 07:48 PM
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I'd lap the CPU. Use a high conductive paste like Prolimatech PK-3 too, but not liquid metal; copper will soak up the LM and you get worse thermals over time. have personally seen it 3 times. It's fine on nickel, but it will stain the laser-etched surface of a CPU IHS if you don't lap.

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post #8 of 85 (permalink) Old 08-06-2019, 07:55 PM
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yeaaap, i found out the hard way what LM can do to a CPU warranty, though I never saw it increase temps... I can confirm it'll pit copper over time though. I believe its the galium or whatever?

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post #9 of 85 (permalink) Old 08-06-2019, 08:06 PM
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Hi,
Take apart the water block see what thickness razor blade jet plate is in it and the block should of came with an extra
Swap for the thinnest
Block is suppose to bend to conform with any imperfections on the chip or so they say.

Otherwise do the spin test with the chip on a piece of glass see if it take off or stops pretty quickly
If it want to take off rma the chip.

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post #10 of 85 (permalink) Old 08-06-2019, 08:22 PM
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I thought EK was shipping them per SKU these days... Meaning, assuming he purchased the "correct" kit, the correct plate should already be in there for his chip. Either way, jet plates affect temp by a few degrees these days & the newest intel series has a giant plastic insert instead of the razor plate!

I still love the sexiness of my all copper supremacy over this modern all metal black block i got.

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