Filling water cooling system be quiet silent loop 280mm

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rathathian45

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Jul 13, 2017
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(I apologize in advance for my english, I am actually french)
Since a few weeks, my water cooling system has started to make some noise, I quickly figured out that I needed to fill it with some cooling liquid (although I built my pc a few months ago, so it is kind of shameful for a component this expensive). The issue is that, to do it properly, I need my pump to be working at the moment I am filling it, but I can only connnect it to the motherboard, not the PSU, and (of course) the pc needs to be turned off. So my answer is the following : How to make my pump working without turning on the pc ? Or if you have any tricks to do this. Thank you in advance !
 
Solution
Aeacus
To make your AIO pump work, without powering up the whole PC, first you'll need such molex to 3-pin fan adapter,
amazon: https://www.amazon.fr/Alimentation-Onvertisseur-Broches-Ventilateur-adaptateur/dp/B003OSO0RY

Step #1: Connect the adapter to any molex connector coming out of your PSU.
Step #2: Plug your AIO 3-pin wire to the fan 3-pin at that adapter.
Step #3: Unplug the main power cable behind your PSU.
Step #4: Unplug the 24-pin power cable from MoBo.
Step #5: Unplug all other power cables inside your PC. Those include 4/8-pin CPU, 6/8-pin GPU, all SATA and Molex connectors, except the adapter where AIO connects.
Step #6: Jumpstart your PSU by doing paperclip test. Here's a video on how to do it, youtube...
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Aeacus

Aeacus

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Mar 21, 2015
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To make your AIO pump work, without powering up the whole PC, first you'll need such molex to 3-pin fan adapter,
amazon: https://www.amazon.fr/Alimentation-Onvertisseur-Broches-Ventilateur-adaptateur/dp/B003OSO0RY

Step #1: Connect the adapter to any molex connector coming out of your PSU.
Step #2: Plug your AIO 3-pin wire to the fan 3-pin at that adapter.
Step #3: Unplug the main power cable behind your PSU.
Step #4: Unplug the 24-pin power cable from MoBo.
Step #5: Unplug all other power cables inside your PC. Those include 4/8-pin CPU, 6/8-pin GPU, all SATA and Molex connectors, except the adapter where AIO connects.
Step #6: Jumpstart your PSU by doing paperclip test. Here's a video on how to do it, youtube: https://www.youtube.com/watch?v=ixcWCrYpw3Y

With this, you can start your PSU without any other components, while running PSU powers your AIO pump via the molex to 3-pin fan adapter.

If you have a spare PSU then this is easier to do since you don't have to unplug all the power connections in your current PC.
 
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Solution
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rathathian45

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Jul 13, 2017
4
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510


 
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rathathian45

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Jul 13, 2017
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510
Thank you very much ! One last question though, Do you think it would work with a molex to 4-pin adaptor and some paper clip ? Because I have just tried this but it does not seem to do anything (maybe I did not plug the rights things but it looks fine though) Thank you again !
 
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Aeacus

Aeacus

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Back in the day (some 20 years ago), i jerry-rigged CD player out of PSU, 5.25" ODD and 3.5mm jack speakers. I took generic PSU, hooked the PATA power cable to the 5.25" CD reader that had 3.5mm headphone jack and play/pause button and fired up the PSU. All i had to do was to put CD into the drive, connect speakers to the CD reader's 3.5mm headphone jack and press the play button on CD reader. My jerry-rigged system played audio CDs just fine. :D

Paperclip test will start your PSU and with the molex to 3-pin adapter, your AIO pump will receive full +12V of power what is needed for it's operation.
Do note that when your PSU has semi-passive fan, your fan won't spin up once you've jumpstarted your PSU.
 
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rathathian45

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Jul 13, 2017
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510
It eventually worked ( I only had to kinda switch 2 pin) before I read your answer but anyway thank you very much for all your help ! I still have some problems with the pump but now it is different (and off the topic) but I really thank very much ! :)
 
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