new build amd fx-6300 stock overheating

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kingredbeard

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Aug 16, 2013
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Doing first new computer build in 15 years so Im surely rusty. But I got everything put together and the computer booted up just fine. installed all the windows updates, bios updates, video card updates. Im not overclocking or making anychanges to bios. However when my son went to play any games (sims 3) the computer would just randomly shut down and restart. So I installed a bunch of monitoring and testing software (hwmonitor,coretemp,memtest86, etc) and eventually found out that the 6300 shuts down at 62 degrees, so I ran prime95 and when I click run, it increments pretty quickly and shuts down within a few seconds

So I reseated everything. Took out the cpu, cleaned it with cloth, and added on new arctic 5 thermal paste (i did the the bb method). Rebooted, retested and got the same problem.

The idle temp is at 47c, so Im not sure if the problem is the cpu, voltages, heat sink? Ive spent a couple of days googling and testing and now my sons getting antsy and I feel bad he cant play his birthday gift yet. Any help would be appreciated

Computer details....
CPU - AMD FX-6300 Vishera 3.5GHz (4.1GHz Turbo) Socket AM3+ 95W Six-Core FD6300WMHKBOX

motherboard - MSI 970A-G43 AM3+ AMD 970 SATA 6Gb/s USB 3.0 ATX AMD
HD - Seagate Barracuda 1 TB HDD SATA 6 Gb/s NCQ 64MB Cache 3.5-Inch Internal Bare Drive ST1000DM003

case - NZXT Technologies TEMPEST 210 Massive Mesh Style Midtower Case with USB 3.0

video card - SAPPHIRE 100355-1GOCL Radeon HD 7850 1GB 256-bit GDDR5 PCI Express 3.0 x16 HDCP Ready CrossFireX Support Video Card OC Version

memory - Crucial Ballistix Sport XT 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model BLS2K4G3D169DS3

psu - CORSAIR Builder Series CX500 500W ATX12V v2.3 80 PLUS BRONZE Certified Active PFC Power Supply

DVD drive - LG 24X DVD Burner - Bare Drive 24X DVD+R 8X DVD+RW 8X DVD+R DL 24X DVD-R 6X DVD-RW 16X DVD-ROM 48X CD-R 24X CD-RW 48X CD-ROM Black SATA Model GH24NS95 - OEM
 
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kingredbeard

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Aug 16, 2013
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Thanks, no I dont have a fan in the front, just the two fans one on top of the case near the cpu and one on the rear of the case near the cpu. I took the side off and set a fan blowing air on it and it still idles at 47c.
I tried to take a pic so you can see the fans around the cpu
i5qjkp.jpg
 
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Dark Lord of Tech

Dark Lord of Tech

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kingredbeard

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Aug 16, 2013
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Thanks, I understand the stock heat sink isnt the highest quality, but it should be adequate to run the cpu at stock settings right. I know when it comes to overclocking them that it would be mandatory, but Im just running it stock and its idling very high and shoots up whenever I do anything, even youtube videos. So it seems like it should be able to handle that right?
 
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kingredbeard

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Aug 16, 2013
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Good to know, I have a vented front, so to test it I put a large fan in the front, and on the side to increase air flow with the side taken off the case, but it didnt have any impact on the temperature.

 
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kingredbeard

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I installed the new heat sink and it runs a little bit cooler , but still hot and shut down during the prime95 test in just a minute or two, but my sons been playing his games non stop and it hasnt shut down on him, so just leaving it I guess.
 
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8350rocks

8350rocks

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Mar 14, 2013
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Need to have an intake fan in front, if I were you I would move the rear most fan and leave the top case fan. Put the rear most fan in front, pulling air into the case so you have a pass through. The fan in the top of the case will be more effective for venting heat than the rear facing fan would. Heat tends to gather at the top of the case anyway, and naturally rises.
 
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Cazalan

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You shouldn't have heat issues at stock speeds with a cooler of that size. Are you using thermal paste?


 
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kingredbeard

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Aug 16, 2013
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Yes I used arctic silver 5, I used the dot method.
 
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kingredbeard

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Ok, Ill look into moving the fan from the rear to to the front and see if it has any impact.
 
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Christopher Mignano

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Sep 14, 2013
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Cazalan

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Those mounting locations for additional fans at the top should be covered if there's no fan in them. The air will come in and get sucked right out. You want the hot air inside the case being vented.
 
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cookiemosr

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Mar 2, 2014
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you need to get a better cpu cooler, because the stock one is crap. I would reccomend the cooler master hyper 212 evo (only 30 bucks). you should also get an intake fan at the front. in needed get side fans, but put the sides of the case on or else dust will get in. if it is still too hot, there might be a problem. hope this helps
 
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claw1219

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Mar 12, 2014
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OK as an engineer, I'm going to weigh in here for others who may have the same problem. First off, Negative pressure cases are cooler because they have more air flow. Positive pressure cases keep dust out. Negative pressure = more exhaust than intake air flow. This doesn't necessarily mean that 2 exhaust fans and 1 intake fan creates negative pressure. You HAVE to look at the cfm of each fan. If all the fans being equal, then the previous statement is correct. Secondly, try to envision where your air is flowing and picking up heat. This will help you in determining where to exhaust. That is assuming your case gives you options. With the setup you have, I would also go with one in the front and one on top. I suggest buying another fan and just exhausting the two you already have tho. That would pull the air across the case. It's fine to leave other fan shroud open, usually, but if you can cover any that is near an exhaust fan. Maybe others. It's hard to tell with just a picture of the corner of the case. As far as thermal grease goes.The concept behind thermal grease is to fill in the microscopic voids within the heat sinks of the cpu and cooler. To bridge the gap so to speak. Excessive thermal paste can cause temperature increase. Along with not enough. That is why new coolers are usually so tight to the CPU. If you are using Artic silver 5, once its pressed it should almost be like glue until its final cured stage (which takes a lot of hours). I usually take a credit card and spread a THIN EVEN layer across the whole heat sink surface on the cpu. That maximizes heat transfer. These things will help. Nothing can fix a faulty chip tho. Good luck
 
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FIABLASTA

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Your stock cooler should be able to run it max load 62 Celsius or under. I think since nothing is working for you, it may be the chip itself got through manufacturing without being thrown into the defects pile for being miss-manufactured and not cooling the die properly. If nothing else works for you, RMA the chip its probably bad itself at cooling. Hope this helps!
 
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