Water cooler for CPU not pumping coolant.

MrBlitz

Reputable
Apr 23, 2014
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4,530
Hello. This morning I was doing homework on my computer when it began to act up and be extremely glitchy. I immediately opened coretemp to see it read 80-100c. I then turned the computer off to prevent damage. After restarting a screen from America Megatreands pops up with CPU fan error. It allows me to go into bios and it says my CPU fan is not on and that my temp is 89°c. I looked in my case and my back fan is on and my radiator with two fans for the water cooling are also on. However the coolant isn't pumping in the loop. How do I fix this? Thanks!

Edit: forgot to mention I tried moving the computer around and the tank of coolant is completely full, also I've restored bios defaults.

Update: It definitely seems to be an air block I pinched the tube and it began pumping coolant but then soon returns to the same position with a gap of Air in the middle.

Update 2: It's pumping on and off but stopping a lot at this position: https://imgur.com/hXkGYun
 
Solution
There are plenty of tutorials on youtube. You could search for your exact model.

Check your warranty, you may be entitled to a replacement.

However, the basic steps.
Step .5) Check for leaks, maybe place paper towels around the inside of the computer before removal
Step 1) remove the cooler! (Don't want any leaks while you are messing with it)
Step 1.5) Once removed, slosh it around and see if you can get the air to rise to the top
Step 2) Find the fill port (There may be an one on the radiator)
Step 3) Add distilled water (not tap water) using a funnel, don't overfill
Step 4) Prime/run the pump
a) In lieu of some other 12V power supply, unplug all your other components from the PSU
b) plug the Pump into your...
Awful lot of air in there, it can't pump air. Seems like you'll be wanting to drain and re-fill, and certainly testing with the computer powered off.

Either some fluid leaked out somewhere, or the reservoir wasn't filled to capacity.

 
There are plenty of tutorials on youtube. You could search for your exact model.

Check your warranty, you may be entitled to a replacement.

However, the basic steps.
Step .5) Check for leaks, maybe place paper towels around the inside of the computer before removal
Step 1) remove the cooler! (Don't want any leaks while you are messing with it)
Step 1.5) Once removed, slosh it around and see if you can get the air to rise to the top
Step 2) Find the fill port (There may be an one on the radiator)
Step 3) Add distilled water (not tap water) using a funnel, don't overfill
Step 4) Prime/run the pump
a) In lieu of some other 12V power supply, unplug all your other components from the PSU
b) plug the Pump into your power supply
c) Short/Connect pins 15 and 16 on your power supply to turn it on (Green to any Black if you have colored wires)
d) If the pump is working at this point, keep topping off the water and wait for all the bubbles to get out. Moving it around can help (but seal it first)

After an hour or two of this it should be good to go and you can re-install the cooler.
 
Solution