AIO pump failure?

Marshal Epps · April 12, 2020

So, I decided to clean my pc of dust today since it’s been several years since the last time I did it and the dust accumulation had gotten pretty bad. I used dust off cans to blow everything out holding fans still so they wouldn’t spin and it turned out great. I also turned over the fans on my NZXT Kraken X61 so they would exhaust out of the top of my case instead of blowing into the case as I had them previously. I removed the radiator and let it rest on the table below the cpu while I turned the fans over and then re installed the radiator into the top of my case which has always been a tight fit but it has worked for the last 6ish years. However when booting back up for the first time after hooking everything back up the pump sounds awful with a loud grinding noise and the computer fails to boot with a “CPU Overheat!” Error I am not sure what is wrong but it seems to be something with the pump. All of the fans work fine and everything else seems to boot just fine but the pump seems like it isn’t moving any water at all and is just making that grinding noise. I tried looking up some similar problems and some people have noise issues with the pump but my computer can’t even boot and overheats so fast it doesn’t even seem to be safe for more than about 10 seconds. Could I have air in the pump from inverting the radiator or something or is the pump just shot?

ASUS Maximus VII motherboard

Intel 4790k cpu

NZXT kraken x61 cpu cooler

Gskill Trident-X 32gb

GTX 980 STRIX gpu

Corsair AX1200i power supply

Let me know if I am forgetting anything that might help.