PC crashing after rebuilding ITX loop

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ybauens

May 27, 2018
21
0
10
Hello,

I recently builded my own custom loop. (1 Week ago)
Today I drained the whole system to change the coolant. I disassemble the whole system and also aplied some new thermal paste on the Monoblock.
After rebuilding the system the PC started and everything was just as always. I turned off the system and wasn’t able to restart it afterwards. I just plugged the whole system out and waited for 30 minutes.
The system booted and got me to windows. After 5 minutes the system crashed and the system rebooted itself immediately but there was no signal. I couldn’t do anything.
And now its stays in this condition.
Just black screen and no signal on the graphics card and the same with the HDMI on the mainboard istelf.

Now, over an hour later the PC started regular.
After 2 - 3 minutes the pc crashes and restarts without signal again. I plugged out the PSU.


The only thing that I could imagine, what happened is that some coolant spilled on the mainboard.

Here my specs:

Case: Fractal Nano S
Mobo: Asus Strix Z370I
CPU: Intel i7 8700K
GPU: EVAA GTX 1080ti SC2
RAM: 32 GB G.Skill Trident Z 3200Mhz
PSU: Corsair SF600

Watercooling parts from EK. (I'm aware that i mixed up in- and outled of the Monoblock)
D5 Pump standalone.
Alphacool DP Ultra

Thanks in advanced! And I'm sorry if the text isn’t grammatical correct, I’m doing my best to improve! :p

fQ0MpuB.jpg

 
Solution
1LiquidPC
Can you provide pics of the wetness? I suppose wet RAM slot could cause that issue, or any number of others. I would certainly recommend a thorough inspection or another teardown of loop to check for source of leak. Check in PCI-E slot as well. Keep all power removed from build for at least several hours and use hair dryer, but not too hot a setting. Since you are using coolant premix or additive, closely inspect gold contacts for tarnish/corrosion if coolant has dried. Going to take some time, but only real way to find culprit and protect your expensive build.
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Y

ybauens

May 27, 2018
21
0
10
Everything seemed to be normal. There are no leaks, no dripping and a loss of koolant in the res is also not visible.
I took of the top left fan to get out the RAM to check for humidity.
I couldn't see anything but when i cleaned the pins I saw a light wetness. I will now dry the slots slowly with a hair dryer.

I'm afraid that also something went into the PCI-E Slot... Do you think the issue as I have can triggered by a wet RAM socket?


And thank you, its my first custom loop!

 
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1LiquidPC

1LiquidPC

Splendid
Oct 11, 2014
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Can you provide pics of the wetness? I suppose wet RAM slot could cause that issue, or any number of others. I would certainly recommend a thorough inspection or another teardown of loop to check for source of leak. Check in PCI-E slot as well. Keep all power removed from build for at least several hours and use hair dryer, but not too hot a setting. Since you are using coolant premix or additive, closely inspect gold contacts for tarnish/corrosion if coolant has dried. Going to take some time, but only real way to find culprit and protect your expensive build.
 
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Solution
Y

ybauens

May 27, 2018
21
0
10
"Unfortunately" I already fixed the wetness in the slots with the hair dryer.
But just to make it clear, there was no leak. There went some drops from the components when i teared down the system.

I think i just have to disassemble the whole system again to check the PCI-E slot.

But thank you very much!
 
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ybauens

May 27, 2018
21
0
10
About 24 hours later and after some hair dryer sessions i jsut checked my RAM slots with a camera. As you can see there is still a lot wetness.(See pictures at the end)

When i get into the UEFI everything seems normal till everything stops for 1 or 2 seconds and the voltage gets from 1.40 to 1.56 and drops again.
Happens doesnt metter if there are both ram sticks, one or none is installed.

vDTkInG.jpg

avz7wma.jpg

16dmQA9.jpg
 
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Y

ybauens

May 27, 2018
21
0
10
After checking the RAM sticks after drying I came to conclusion that there is no other way than disassembling the system again.
When i took GPU out i saw some wetness on the pins of the card. In the slot itself I couldn't see anything. So I left the ram, the GPU and the mobo out for the night. I will wait till this evening to put everything together again.
I hope there are not permanent damage due to the wet components and the voltage of the CPU stays stable.

Best regards
 
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Y

ybauens

May 27, 2018
21
0
10
After further 24 hours of drying the components seem to work again.
No crashes and the CPU core voltage stays stable in the UEFI.

@1LiquidPC. Thank you really much for your help!
 
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