Computer Freezes and Blue Screens after Installing CPU Cooler

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Feb 7, 2016
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Hi, I recently bought a Cooler Master Hyper 212 Evo as I had been experiencing some overheating in certain games and felt that I should probably upgrade the stock fan for my CPU. A couple days ago, I installed the new CPU cooler and had it oriented in a way that barely fit inside of my NZXT Guardian case. I got it to work but had to have the fan on the left side of the case pushing vertically up against the 212 Evo.

After the install everything seemed fine with my computer for that night, but I had concerns about how the new CPU cooler was oriented, so I went ahead and turned it the next day to where it wasn't being pushed on by anything else. I took the new fan off, removed the thermal paste on both it and the CPU, reapplied thermal paste and carefully reattached the 212 Evo in the new orientation. After doing this, I rebooted and all seemed well for about ten minutes until my computer blue screened. I restarted and had the exact same problem a few minutes later (I don't remember exactly what the blue screen details were, but I know one of them had to do with a kernel error).

After blue screening these few times, I opened up the computer and removed the CPU to check the pins, all of which looked fine. At this point, I reseated the CPU, checked to make sure the CPU cooler wasn't pressing up against my RAM or anything, and checked all of my power connections, all of which were fine. Upon trying to restart my computer at this point, the computer would no longer post and I began getting a long short short beep code with the dram light being solid red. I reseated all of the RAM and restarted the computer several times, holding the memok button every time, and eventually my computer came back up.

After about an hour or so, however, the computer froze, and I proceeded to reseated everything and reconnect my power connections once again. I spent several hours restarting the computer and trying to access the bios before the computer would freeze or refuse to post completely. After much frustration with being unable to bring the computer back up, I went ahead and turned the CPU cooler back around to where I had it the day before as well, bringing it back to a horizontal orientation pulling air from the front of the case and pushing it towards the back. I don't know why this would make a difference, I just wanted to get the computer back to where it was when it was working properly. I tried a few more times to get into the bios and finally got in, allowing me to try and manually change the ram speed (something I read on this site as being a fix for the issue).

I set the ram speed manually, saved the new settings, and restarted the computer. It came back up as usual with no issue, and I proceeded to be fine for the next few hours. I did blue screen once more, but other than that it seemed fine for the rest of the night.

The following day (today Feb, 7th), my computer was still running with no issues. I got on and began using it, surfing the internet mainly, and it eventually froze on me again. I was able to bring it back up fine afterward, however, and I am currently still using it at this moment.

I need to figure out what is bringing about these freezes/blue screens, though. I mean the computer seems fine other than those occasional blue screens or freezes. When they occur, not much is ever happening. Last night I was sitting on the client screen for League of Legends, and today when it froze, I was watching a stream on Twitch and browsing the internet, nothing too demanding.

My only thoughts as to what might have happened are that I could've damaged the motherboard somehow when I was installing the CPU fan the second time. Any suggestions or ideas would be greatly appreciated!

For anyone wondering and just to recap, I did check the pins of my CPU, I reapplied thermal paste, I checked each individual RAM stick when the red DRAM light was on, and the hard drive running windows is brand new with about a week or two old windows install.

Computer Specs:

CPU: AMD FX-8350 8 Core
RAM: 16.0GB Dual-Channel DDR3 @ 802MHz (odd because I set it to 1600MHz in the bios after my freeze today)
Motherboard: ASUSTeK COMPUTER INC. M5A97 R2.0 (Socket 942)
Graphics: 4095MB NVIDIA GeForce GTX 970 (EVGA)
Storage: 232GB Samsung SSD 850 EVO 250GB (SSD)
1863GB Seagate ST2000DM001-1CH164 (SATA)
1863GB Seagate FA GoFlex Desk USB Device (SSD)
 
Solution
When using the EVO take the side fan of or place it at the top.The case doesn't support coolers that height with side fan

Do a clear cmos,after that set optimal default values,set ram to best specs,or see if AMP (set to enabled+could also look for DOCP or EOCP), is available for that.
The ddr ram set to 802mhz is fine since you need to multiply this x2,ddr stands for double data rate.

Maybe tell which nr is what shown by the blue screen.

Vic 40

Titan
Ambassador
When using the EVO take the side fan of or place it at the top.The case doesn't support coolers that height with side fan

Do a clear cmos,after that set optimal default values,set ram to best specs,or see if AMP (set to enabled+could also look for DOCP or EOCP), is available for that.
The ddr ram set to 802mhz is fine since you need to multiply this x2,ddr stands for double data rate.

Maybe tell which nr is what shown by the blue screen.
 
Solution