Computer shutting off after a fan cleaning.

[phazoid.koi]

I have been running my set up for over a year and a half and I have never had an issue. I recently bought some new parts for it, graphics card, ssd, mouse and headset and before my ssd and graphics card arrives I wanted to clean it. I cleaned the computer fans. Just the case fans and coolent fans. Just a quick wipe down of the blades is all I did. I unhooked all my cables and hooked them back up afterwards and booted it up. Everything seemed normal. I started to play ff14 and play around with razors new chroma system that recently got launched then my computer turned off. It was on around an hour or so then bam! Nothing. I thought It was weird so I booted it back up. It ran for a second that shut off again. I thought it was over heating. So I booted it into the bios to check the temperature. It was at 54c so normal temperature. I am lost for what is going on. Have removed my ram thinking it was that. I recently got it to load up and I even play a League of Legends game then afterwards turned it off to install my ssd. Installed that fine then I booted it up and it crashed again. Sorry for the long thred but trying to get all the things I have tried across.
Any other ideas I can try?

 

[Paperdoc]

Open your case, turn on, and watch all your fans. Check carefully that ALL are running. IF they are, shut down and disconnect power.

Now, go through your system examining the way each fan is plugged into a header. First, ensure that each is plugged into the correct header. This is particularly important for the CPU cooling fan. If there is no fan connected to the CPU_FAN header, OR if what is plugged in is making a poor connection, that could cause this. Because the CPU is so important and expensive, most mobos pay special attention to detecting failure of that fan. They do that by checking the speed signal from the fan, which is sent to the CPU_FAN header on Pin #3. If that speed signal is missing, or in some cases just too slow a speed, the mobo treats that as a fan failure and many will shut down the system quickly without even waiting for the CPU's internal temperature sensor to show high temps. On any subsequent reboot many of those mobos will NOT allow the system to start if no speed signal comes from the fan right away. So, check the fan plugged into the CPU_FAN header. For starters, it REALLY should be the actual CPU cooling fan, and not a case fan. Just in case there is dirt on the fan connector's pins, do this. Carefully unplug the fan from the header, then re-connect it. Do this several times. That often will "scrub" any dirt or oxidation from the metal and restore good contacts. Inspect your system carefully to be sure you did not disturb / disconnect anything else. Leave the case open so you can see, connect the power and try to boot. Observe the fans again to verify they all are working. Does the machine actually work now?

If that does not fix things, you'll need better ideas. This was a simple one.

 

[phazoid.koi]

Hm thank you for answering and helping out, I tried what you said and it still is what I can now tell is over heating. I am not curtain why it is overheating all of a sudden. After I got home from work I did a full tear down and rebuild. It seemed to do the trick so it put it through its paces to see how it does. It did fine load things. Fans sped up as normal then I wanted to push it and see how it does on something taxing. Like a mmo. So I loaded up and got into ff14 and I could immediately tell it started to ramp up. CPU fans sped up and kept going up and up. Then after a big I went to watch it from the inside. The heat from the coolent system didn’t seem too warm. I have felt it warmer before. Much warmer. A few seconds before it shut off I noticed my light on my coolent system (Corsair H115i) light on the cpu went from white to red. So I am guessing the coolent is the problem now. Not sure what could have happened tho from just cleaning the blades of the fans...

 

[Paperdoc]

I gather you have a liquid cooling system for your CPU. Two things can go wrong with such systems, so check for these.

1. The PUMP part can fail. In most such systems the pump and the fans on the radiator are monitored and controlled separately. This may be done by a software utility supplied by the system maker, or by just using the mobo's appropriate fan headers - depends on the design and instructions. So, check BOTH the rad fan speeds and the pump speed. If pump speed is OK - usually, full speed at all times - then it may be next point.

2. The fluid level in the liquid loop may drop down because of slow leakage. This means even though the pump is working and the fans are, too, not enough liquid is flowing around the system to move the heat from CPU to radiator. Often this is accompanied by odd gurgling noises in the liquid loop. If that seems to be your problem, contact Tech Support from the supplier of your liquid cooler system for advice on how to refill the system, and what material to use for that.