Random Reboots PC

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misfitevan

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Aug 10, 2014
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Hi, I have just built a mATX style pc for steam big screen gaming.

I have a:

Aerocool Dead Silence Case

Corsair HX 650w PSU

Asus M5A78LM USB3 Motherboard

FX8350 CPU with H100 water cooling installed

2*4GB Kingston Hyper X Genesis Blue 1600mhz Ram

1TB blue hard drive

MSI AMD R9 290 referance

There is no overclocking being installed, stock defaults on everything. All drivers installed. Tried Windows 8 installation and Windows 7. Before the graphics card arrived I was using the on-board and had zero issues for day. Obviously hard drive was wiped when card arrived.

The issue arises after installling the driver for the graphics card, it will sometimes reboot as soon as window loads from cold boot, sometimes I can play crysis 3 for 40 mins on very high before it decides to reboot. The computer will usually hang for 2secs, continuous sound, reboot into Windows and will show a northbridge error but from what I've read this could be anything from a driver issue to a hardware issue.

At an absolute loss on what it could be, driving me nuts!!
 
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Vic 40

Vic 40

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Oct 22, 2013
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Try and wipe the driver with either,
http://www.guru3d.com/files_details/display_driver_uninstaller_download.html (safe mode)
or
http://treexy.com/products/driver-fusion (not sure if it works in safe mode)
get maybe not the latest drivers from here,
http://support.amd.com/us/gpudownload/Pages/index.aspx

If this doesn't work try reading the temps of the card like this,

Download the next program,

http://www.hwinfo.com/download32.html

You can open hwinfo32,after that open the sensor window by marking sensors=V,after click run,,then click at the bottom "Logging start" ,after that choose a name and place for the log.like Hwinfolog at your desktop.Leave it open and do game/stresstest or whatever you do until a crash.The log will end at that point but will be saved.You can look at the log yourself with either excel or libre office calc.

If you don't have a clue try to do the next,

"After the restart upload the log to a site without to much crap (!),for instance dropbox,and leave a link to it here.

Also first make sure your motherboard has the latest bios.
 
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misfitevan

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Aug 10, 2014
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I have wiped the driver in Windows and installed the driver that came with the card this Time. I will run hwinfo now and crysis again till it reboots and dump the log here. Thank in advance
 
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misfitevan

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Aug 10, 2014
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This was initially my first thought too, but it doesn't make sense how it can perform under load for a fair amount of time then reboot, or it can sometimes go into Windows from a cold start and reboot. One of them issues that is breaking my head ha
 
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Vic 40

Vic 40

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Oct 22, 2013
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The +12voltreading can be wrong (=10.5xx->it's a software tool) so can you check in the bios what it gives for the +12voltrail?
The temps on the gpu goes up to 94°c which is throttling area so can you play with the side of the case open to see if this helps?



Since you have watercooling can it be that the northbridge get's too hot,again try it with the case open and if possible add a or some fans for better heat dissipation.
Haven't seen this in the log,but haven't reaaly checked for it either.
 
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misfitevan

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I've downclocked the graphics card to msi tools minimum settings, not what I wanted to do, but wondered if this would help. Hasn't crashed yet and played near constant for many hours. Now could this show a fault with the card itself, or a motherboard limitation or just the psu not being able to supply enough power as first suspected
 
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Vic 40

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In that log you got up to 94°c,if you're between 80/90 right now is that an improvement.
Did you try on stock settings with he side panel of? Mayb even point a ventilator onto it.Again look at the temps.

If it's not about the temps is the gpu not good when you have to downclock it and is a rma a good option.
 
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misfitevan

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Aug 10, 2014
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I've tried replacing the psu, no such luck on improving. Still same issue. Purchased some heatsink for the mosfets to see if this helps matters. From what I've read the board is known to run quite hot due to no cooling
 
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Vic 40

Vic 40

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What i still think is that the gpu get's too hot or has another problem.Since downclocking helped,a good point to start.Maybe find an aftermarket cooler.Play a little with voltages,try lowering them to see what that does.

It could be the motherboard compatitbility with the cpu and i know it's supported by asus,but still that chipset isn't really for it.
 
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