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Disaster - bent pins / thermal paste on 3700X

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post #1 of 22 (permalink) Old 07-19-2019, 12:50 AM - Thread Starter
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Disaster - bent pins / thermal paste on 3700X

Just installed my 3700X two days ago with stock cooler. Got AM4 adapter for my NH D15 today.

Opened up case. Unhooked one side of stock cooler... the other side was stuck. Tried to tilt it slightly then pull which worked. Then I notice the CPU is stuck to the bottom of the cooler... I get the other hook off and yeah CPU's popped out along with it stuck to the bottom of the cooler.

I was able to wiggle off the CPU from the cooler (couldn't pull it off) and since the stock cooler has so much bloody thermal paste on it that it dripped onto the sides (as careful as I was trying to be).

Then I notice some pins may be bent.

What can I do now?

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post #2 of 22 (permalink) Old 07-19-2019, 01:16 AM
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At least the CPU doesn't sound that expensive to replace -- at least if ebay is any indication. So in a situation like this is it the CPU that would be borked? Or the motherboard?
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post #3 of 22 (permalink) Old 07-19-2019, 01:24 AM
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Magnifying glass and AMEX card will work. Visa and Master cards will work too but not as good.

Thermal paste on the side can be wiped clean easy with a lint free wipe like coffee filter. You can also use a soft-bristled tooth brush and some alcohol to clean the paste off.

By Built-in Benchmark Queen:
My 2.5 years old delidded 7980xe @ 4600mhz all core with 49ns memorylatency (4000c16 twekaed) is faster than 3950x max overclocked on water in every scenario. Pretty good for a ancient cpu
In gaming it has no chance vs my new 10900k @ 5400mhz and 4600c16 tweaked memory. ~35ns memorylatency.
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Last edited by rdr09; 07-19-2019 at 01:30 AM.
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post #4 of 22 (permalink) Old 07-19-2019, 01:34 AM
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The pins just depends on how bent they are. Generally AMD cpu pin spacing is enough that you can take something like a credit card and slide it down the spaces between the pin rows for a slight bend. If a pin is flattened well... sometimes you get lucky. It's far less devastating to work with in general than a cpu socket with pins that you need some magnification to even see.
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post #5 of 22 (permalink) Old 07-19-2019, 01:48 AM - Thread Starter
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Quote: Originally Posted by 8051 View Post
At least the CPU doesn't sound that expensive to replace -- at least if ebay is any indication. So in a situation like this is it the CPU that would be borked? Or the motherboard?
Quite pricey for me
Quote: Originally Posted by rdr09 View Post
Magnifying glass and AMEX card will work. Visa and Master cards will work too but not as good.

Thermal paste on the side can be wiped clean easy with a lint free wipe like coffee filter. You can also use a soft-bristled tooth brush and some alcohol to clean the paste off.
I have managed to straighten them with a razor blade but still terrified in general. They all look really straight.
Quote: Originally Posted by Digitalwolf View Post
The pins just depends on how bent they are. Generally AMD cpu pin spacing is enough that you can take something like a credit card and slide it down the spaces between the pin rows for a slight bend. If a pin is flattened well... sometimes you get lucky. It's far less devastating to work with in general than a cpu socket with pins that you need some magnification to even see.
It was 4-5 pins all together, and very slight. I think I've successfully straightened them.

>>>

There's tiny bits of thermal paste residue on a couple pins but I can't get it off. Does a little bit on the PCB and at the bottom of the pin matter? The tops are clean.

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post #6 of 22 (permalink) Old 07-19-2019, 01:52 AM
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Quote: Originally Posted by steelbom View Post
Quite pricey for me

I have managed to straighten them with a razor blade but still terrified in general. They all look really straight.

It was 4-5 pins all together, and very slight. I think I've successfully straightened them.

>>>

There's tiny bits of thermal paste residue on a couple pins but I can't get it off. Does a little bit on the PCB and at the bottom of the pin matter? The tops are clean.
Great. Spread the paste or put tiny dots of paste where the dies are. Pea method in the center won't work with Ryzen 3000 cpus. Others cautioned over spreading paste. Just make sure you have some over where the dies are.

So long as the thermal paste is not conductive, it is fine to spill over.

By Built-in Benchmark Queen:
My 2.5 years old delidded 7980xe @ 4600mhz all core with 49ns memorylatency (4000c16 twekaed) is faster than 3950x max overclocked on water in every scenario. Pretty good for a ancient cpu
In gaming it has no chance vs my new 10900k @ 5400mhz and 4600c16 tweaked memory. ~35ns memorylatency.
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post #7 of 22 (permalink) Old 07-19-2019, 02:09 AM
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For bent pins we always used the tip of an empty mechanical pencil. The end is a good fit for the pin and enables you to gently bend it back into place.

For the paste on the pins you can use rubbing alcohol and a Q-tip to gently clean them.

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post #8 of 22 (permalink) Old 07-19-2019, 02:23 AM - Thread Starter
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So good news is computer is booting. I'm in right now. Managed to straighten all pins (4-5) and clean most of the paste off. Friggin' terrifying experience, I'm glad it's over.

Quote: Originally Posted by rdr09 View Post
Great. Spread the paste or put tiny dots of paste where the dies are. Pea method in the center won't work with Ryzen 3000 cpus. Others cautioned over spreading paste. Just make sure you have some over where the dies are.

So long as the thermal paste is not conductive, it is fine to spill over.
Oh, I did a pea method in the middle (well it was more of a square), but I think I used enough paste. No it's not conductive.

Quote: Originally Posted by speed_demon View Post
For bent pins we always used the tip of an empty mechanical pencil. The end is a good fit for the pin and enables you to gently bend it back into place.

For the paste on the pins you can use rubbing alcohol and a Q-tip to gently clean them.
They were only slightly bent so I managed to bend them back with a razor blade (like a Stanley knife's blade).

I thought the CPU pins were much more sensitive than this -- like, you touch them let alone bend them, and they're stuffed.

Hopefully there are no crashes or anything down the line.

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post #9 of 22 (permalink) Old 07-19-2019, 02:36 AM
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Not sure if you have come across this . . .

https://old.reddit.com/r/Amd/comment...rvolting_stop/

and more

https://www.reddit.com/r/Amd/comment...ermals_reduce/

https://www.reddit.com/r/Amd/comment...3rd_gen_ryzen/

we are still learning about this Gen. So much to learn. Use only one app to monitor your temps, etc. If Ryzen Master, then use that. Most recent tweet i read is using Windows Power Plan instead of Ryzen's and set minimum processor state under Advance settings to around 80%.

In previous gens, i use Window's Power Plan and set my minimum processor state to 25%.

By Built-in Benchmark Queen:
My 2.5 years old delidded 7980xe @ 4600mhz all core with 49ns memorylatency (4000c16 twekaed) is faster than 3950x max overclocked on water in every scenario. Pretty good for a ancient cpu
In gaming it has no chance vs my new 10900k @ 5400mhz and 4600c16 tweaked memory. ~35ns memorylatency.
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Last edited by rdr09; 07-19-2019 at 03:07 AM.
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post #10 of 22 (permalink) Old 07-19-2019, 08:33 AM
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When removing a cooler from an AMD cpu, its good practice to twist the cooler on the CPU to break the bond with thermal paste. I've bent pins on 3 AMD cpu's before, i usually fold a sheet of paper to unbend the pins, but be very methodical, too much bending of the pin will snap it off. However, schematics of the AM4 socket point to alot of pins be redundant, or grounds, so if 1 or 2 break, you might be all good.

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