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# 143616 21-Apr-2014 11:21
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Hi all,

I recently built the following:

Motherboard - Asus H87M-E
CPU - Intel Core i5 4440 3.1Ghz Socket 1150 Box
RAM - G.Skill Ripjaws X DDR3 PC12800/1600MHz CL9 2x4GB
PSU - FSP Raider 450W
SSD - Samsung 840 EVO Series MZ-7TE120 120GB
Optical Drive - Lite-On iHAS324
Case - Silverstone Temjin TJ08B-E (Black)

I assembled the build, installed Windows 7 and everything seemed fine until this:

It happens after a random period of time. Windows 7 is up to date and I have updated the motherboard bios and installed drivers for everything (mostly, the ones of the CD provided with the board were the latest).

I reseated my CPU (didn't seem to be a problem), I rechecked all my PSU connections, reseated my RAM and had no difference. After a relatively short period of time i'd see the same thing - lock up and a jittery screen similar to above.

I then played with my sticks of RAM, and not having the RAM in a dual channel configuration seemed to resolve it. However, it didn't, it just significantly increased the time required for the fault to reoccur (for less than an hour to several hours). There also seems to be occassional resets.

So i'm now stuck. I'm not sure if i'm dealing with a hardware or software fault. The whole idea of this build was for it to be stable and reliable! Any ideas on what the root cause may be or how I could look to resolve it would be much appreciated.

Thanks for your time!

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  # 1028521 21-Apr-2014 11:27
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Sounds like one of your RAM sticks might be faulty?
Have you tried working with only one, then swap out 1 at a time till fault happens and isolate which stick is bad?

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# 1028523 21-Apr-2014 11:34
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i had a similar problem earlier in year.  I had 2 sticks corsair ram.  Worked okay with 1 but not both.  I googled the ram number and found it was a common problem with that particular model of ram. They work fine on their own but not together

HTPC Intel Pentium G3258 cpu, Gigabyte H97n-wifi motherboard, , 8GB DDR3 ram, onboard  graphics. Hauppuage HVR 5500 tuner,  Silverstone LC16M case, Windows 10 pro 64 bit using Nextpvr and Kodi


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  # 1028525 21-Apr-2014 11:36
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RAM issue


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  # 1028533 21-Apr-2014 11:49
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Does the windows memory diagnostic reveal anything or trigger the issue? Actually you don't need to bother with that if the vendor is helpful.

Personally I would check the timing and configuration in effect actually matches the expected configuration set in bios or whatever. It is probably not an issue but that's just me inspecting.

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  # 1028571 21-Apr-2014 13:06
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Hey all,

Thanks for your replies. I'm trying my RAM sticks individually. I have already had issue with one, so i've switched it out and i'll see how I go with this other one.

I did try the Windows Memory Diagnostics tool - it didn't find any issues. 

I will let you know how I get on.

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  # 1028613 21-Apr-2014 16:29
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Have you adjusted your BIOS to suit the ram(XMP)? These are not stock ram and require Voltage 1.5v and the Latency 9-9-9-24.

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  # 1029003 22-Apr-2014 10:08
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This issue shows that your video memory area gets messed and this could be caused by several component faults.

Did you run any stress tests? I'd recommend run memtest86+ (it needs to be run from bootable CD or Flash to filter out OS problems) for couple hours. This will check RAM stability.
Also, run CPUBurn for Intel 64 (run 4 instances of that program (by number of cores) for an hour or so. 
And last but not least run video card stress testing. The best tool for that is any video banchmark. Like 3dMark. You don't have discrete video card but embedded Intel HD 4600 can also make a lot of mess.


Remember to have a look on CPU temperature while run stress tests.


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  # 1030993 25-Apr-2014 11:07
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Ok so i've now done the following:  

1) Run it with one stick of RAM at a time. One faulted, one didn't (although I don't have time to use my PC much, so I wouldn't call it conclusive)

2) I ran Memtest86+ on each stick individually and together - No errors with multiple passes in each configuration.

3) With both sticks, tried enabled XMP - Faulted 4) With both sticks, tried running RAM at 1333MHz - Faulted

Currently running in safe mode and i'll see how long that lasts (I think it has previously faulted in this config). 

I'll try a Prime95 test next. 

Any other ideas would be much appreciated!

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  # 1030997 25-Apr-2014 11:16
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So when you tried them individually, did you use them in the same slot?
Perhaps the issue is bad slot/s on the motherboard not the ram.

Location: Dunedin


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  # 1031001 25-Apr-2014 11:27
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I'd return the RAM as faulty, making sure you ordered something on the motherboard's compatibility list.


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  # 1031128 25-Apr-2014 14:30
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It's a long way from proving the ram it seems to me. Maybe try something that stresses the video and see if it rapidly dies under those conditions.

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  # 1031257 25-Apr-2014 17:49
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Process of elimination. Run the ram in memtest overnight, and make sure it's on the compatible list. If it's not that could be your problem. There's also the G.Skill list for a similar motherboard.

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  # 1031756 26-Apr-2014 19:14
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you also haven't mentioned checking they are running at the right voltage?

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