PC reboots while gaming (ASUS M5A99FX Pro Rev 2.0)

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moontheman

moontheman

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I have an ASUS m5a99fx rev 2.0 with fx 6350 cpu, 16 gb of 1600 ram, GTX 770 and a 750 watt psu. The system reboots while gaming. My temps run 54 max on cpu and 59 on the gpu. I have not found any similar problems and would like to get a solution for this problem.
 
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You can try to do a system restore from before BF4 when the issue started happenning.
Try removing any non essential devices from the system (Webcam, printers, etc)
Try restoring CMOS to default values.
Disconnect and re-connect all wiring, re-seating cards, SIMM/DIMMs.

But I think it's time you back up your data, start swapping out parts and get ready to re-install windows a few times.

My recommendation would be as follows:
Motherboard (Most points of failure by far)
PSU
VGA

I would be surprised if the issue is not with one of those three.
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bluekoala

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It could be a motherboard component.
Open your case and blow a house fan in it to test if the situation improves.

Could also be a PSU issue, but it definitely sounds like a heat problem from somewhere.

AMD higher end cpu's can stress your motherboards VRM's. If you undervolt and underclock your system and the issue stops then it may very well be just that. Can be fixed with fans or mounting a heatsink on your VRM. It's usually less trouble to exchange the motherboard if that proves to be the issue.

By the way, what type of motherboard is it?

 
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moontheman

moontheman

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As stated in the first post, ASUS m5a99fx rev 2.0, it is the pro version. The case has sufficient airflow so rigging a box fan to blow in it is not needed. There is no oc applied to cpu bios settings are at default. MB temps stay aound 30 even at load.
 
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bluekoala

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Open you case, start gaming, then touch your northbridge and southbridge heatsinks to find out how hot they are. If it's hot enough to burn your finger, then that's where your problem lies.

This has been known to happen with that model of motherboard. What seems to be a common fix is installing a 4cm fan to cool the heatsinks.
 
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moontheman

moontheman

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temps are not an issue.
 
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moontheman

moontheman

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You are the one who said to use a box fan on my 1300.00 custom pc build. I hardly think I'm being confusing. I just asked for some help. This forum seems to jump to conclusions and offer no real help. Maybe I'll have more luck on Ask Yahoo. Thanks anyway.
 
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bluekoala

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The only conclusion that was drawn in the thread is "temps are not an issue." without taking into account any of the suggestions provided. If it was software or memory, you would get bluescreens, not total shutdowns or reboots. The motherboard model you have is known to have bad heatsinks for north/south bridge and VRM issues but you refuse to believe that based on your CPU and GPU temperatures.

I'd also like to point out that you resort to the community to help you with a problem you're unable to resolve on yourself and you're shooting down suggestions with your absolute knowledge of what the problem isn't without proper testing, based on numbers that are hardly relevant makes you a really poor technician. I think your investigative skills are so bad that my next logical recommendation to you is to sell your PC, buy a Nintendo Wii and call Nintendo if anything goes wrong.
 
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moontheman

moontheman

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Thanks for the lack of reasonable troubleshooting skills. As I said, temps are not an issue... I can touch the NB and SB without burning my my finger. There is no reason for you to be an ass. If you don't want to be constructive with your assistance then don't reply. I'm sure someone in the community has some knowledge that can lead to a solution other than rigging a fan to blow into my case.
 
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bluekoala

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I was suggesting the fan idea to help narrow down what the problem could be, as a troubleshooting step, not as a solution.
I'm going by the assumption that you don't have an extra PSU, MB or VGA to swap in and test with because that by far would determine the cause of the issue fastest.

I suggest running prime95 blend test to stress your CPU without stressing your video card to see if you can replicate the issue.
If the workers stop, you may have an issue with your CPU or memory.
If it doesn't fail within double the time that it would normally take to replicate the problem then you're going to want to start looking at the VGA/PSU/MB for further problems.

Since you have 4 PCIx slots, you can always try to use a different one in case your card is not seated perfectly right or the slot itself is defective.

 
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moontheman

moontheman

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Thanks, I will try moving the VGA to another slot. Is there any risk with only using 1 stick of ram, seeing as they are dual channel?

Prime95 and heaven would not replicate the problem. It just seems to be during certain games. Far Cry3, Battlefield 4, and Battlefield Bad Co 2. BFBC2 single player will only go about 10 minutes. The other 2 will last 20 minutes to 2 hours.
 
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bluekoala

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There is no risk involved in running with a single stick. You will lose half of your memory bandwidth for the duration of the test.

Also, keep track of exactly the time the event happens and then go to your control panel and look at the event viewer to see if there is a particular process that causes the system to halt.
 
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moontheman

moontheman

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OK, Tested. Still rebooted after moving gpu and removing 1 stick of ram. There are no errors prior to shutdown in the event log. I run CPUIDHWmonitor and temps are ok. Nothing too hot to the touch either. I have been monitoring the event viewer since the problem started. I'm wondering if my PSU is giving out. I will try the other stick of ram.

Tested the other stick of ram. Still rebooted. I did notice temps went up a couple of degrees with the side door off. The case I have has good airflow. 2 fans in front one on the side back and top. The heatsinks are warm but not hot.
 
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moontheman

moontheman

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2x8 AMD 1600 ram. Latest bios and all drivers are up to date. The problem started when I BF4 released. At first I thought it was just a buggy game, but it reboots with other graphically intense games as well. My complete build is in my profile. Thanks for the assistance.
 
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moontheman

moontheman

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AMD AE38G1609U2. I use the latest or beta drivers from Nvidea. The problem has occurred through several driver updates.
 
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Tradesman1

Tradesman1

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Now we're getting somewhere - these are 2 separate sticks by the model #, so lets try them in slots 2-4 or 1-3 (from CPU), then go into BIOS and manually set the freq to 1600, the base timings to 9-9-9-28, CR (command rate/timing to 2N or 2T if the mobo uses the T designator), then set the DRAM voltage to 1.56 and go to the CPU/NB voltage and set it to 1.2 and give that a try
 
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moontheman

moontheman

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It still restarted. I think I will replace the PSU and see if that is the problem. I appreciate the help trying to troubleshoot the problem. If the PSU doesn't fix it, I have an RMA for the motherboard already. Last thing would be the VGA. Doing some research on the psu, I found out it has 4 12v rails rated at 20 amps each. My vga can pull 24 amps.
 
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moontheman

moontheman

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I will try this tomorrow. I must get some sleep.
 
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moontheman

moontheman

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I turned off 2 of the cores and it still rebooted.
CPU temps were 47 max during the test.
 
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bluekoala

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You can try to do a system restore from before BF4 when the issue started happenning.
Try removing any non essential devices from the system (Webcam, printers, etc)
Try restoring CMOS to default values.
Disconnect and re-connect all wiring, re-seating cards, SIMM/DIMMs.

But I think it's time you back up your data, start swapping out parts and get ready to re-install windows a few times.

My recommendation would be as follows:
Motherboard (Most points of failure by far)
PSU
VGA

I would be surprised if the issue is not with one of those three.
 
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Solution
moontheman

moontheman

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Sorry for the delay. I have an SSD set up for OS only so re-installs are fairly painless. I will replace the PSU in a couple of weeks. If that doesn't work I've already got an RMA for the MB. Last step will be to RMA the VGA. I really appreciate all the TS help you guys have given. I will get this figured out soon and will follow up with the results.
 
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