Need help troubleshooting bluescreens, think it is a hardware problem but need help to pinpoint it.

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Turkeldawg

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Jun 27, 2013
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So I built my own computer about 2 weeks ago and I have been having a lot of problems, mainly bluescreens. There have been quite a few different ones, some I can remember are: Machine_check_exception, tried to execute non-executable memory, a clock interrupt was not received on a secondary processor. They only happen under load (for example gaming), never when I'm just browsing.

My specs are:
OS: Windows 7 64-bit
CPU: Intel Core i5-3570k processor
GPU: MSI GeForce GTX 660Ti 3GB PhysX CUDA
RAM: Corsair Vengeance DDR3 1600MHz 8GB (2x4GB) CL9
MB: ASUS P8Z77-V PRO, Socket-1155
HD: Seagate Barracuda 1TB
Case: NZXT Phantom 410 midi tower

I have tried changing the ram memory frequency in my BIOS from the wrong factory setting of about 1333MHz to the closest to 1600MHz (which was 1632MHz) but this only made the bluescreens a bit less frequent, they still happened. So I tried using memtest86+ but couldn't get it to work (was using the USB version), so I decided to try running prime95. I ran the Blend-test (apparently lots of ram tested), and i received a bluescreen after about 3 minutes. The bluescreen was the "tried to execute to non-executable memory".

So from what I've gathered from other threads about these kind of problems it is most likely a hardware problem, and it is with either the CPU, Motherboard or RAM memory that the fault lies.

As far as I know all my drivers are up-to-date.

Thanks in advance for any and all answers that you may be able to provide, I really need the help.

Edit #1: Trying the other prime95 tests now. Will update with results. Blue screen during the first small FFT test, can't remember the name (something with entries?) haven't had this one before. Tried it again and this time no bluescreen but the computer locked up, everything is frozen (no black screen, everything just stands still). During the large FFT test, bluescreen "MEMORY_MANAGEMENT", never had that one before. I'm pretty sure it's my RAM or CPU or maybe both, so I'm gonna try to get memtest86 to work. PLEASE give me any tips you have
 
Solution
ko888


DRAM sockets 2 and 4 are located at the physical end of the memory bus and should always be filled in first (i.e. proper bus termination). This is to prevent signal reflections from occurring at the end of the memory bus that may cause system instability.

Your motherboard's Bus Speed is 101.99 MHz. That indicates that it is slightly overclocked.

Try manually setting it to exactly 100.0 MHz in your motherboard's BIOS Setup. Some devices don't tolerate a base clock overclock no matter how small the overclock.

Verify that your DRAM Voltage is set to...
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Carma143

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May 22, 2011
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For what I know it all blue screens occur because the RAM cannot run the way that it is supposed to. Whether the CPU or Motherboard, or RAM is at fault I don't know. But if it keeps defaulting to a very strange clock speed, then it might be the BIOS doing something strange. If you can, buy the same RAM from the same place again. See if the new RAM has the same problems. There you can find if the RAM is at fault or not. Then RMA/return the RAM that is no longer needed.
 
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Turkeldawg

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Jun 27, 2013
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Carma: Unfortunately i really don't want to buy more ram before I am certain that my current ones are broken, don't wanna take that risk. I've been thinking it might be the BIOS too but I am to afraid to flash it, might end up breaking it. Is there anyway to check if the BIOS are causing problems?
 
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ko888

ko888

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Feb 18, 2009
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Can you post your CPU-Z Memory and SPD tab page images like the following example?

CPU_Z_Memory_SPD_Example.png
 
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Carma143

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From what I know there is no way to tell for sure if the BIOS/motherboard is the problem without manually troubleshooting. If you have an extra PC laying around or a friend who is willing to let you switch their PC RAM (DDR3). You can then test your RAM in the other PC and also check the older working RAM with your current motherboard/BIOS/CPU if it may also be the problem or not.

Remember to properly use ESD guidelines (just make sure you are grounded by touching a plugged in PSU. Also make sure the PSU is off while switching components. That could damage te components too.
 
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ko888

ko888

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Feb 18, 2009
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DRAM sockets 2 and 4 are located at the physical end of the memory bus and should always be filled in first (i.e. proper bus termination). This is to prevent signal reflections from occurring at the end of the memory bus that may cause system instability.

Your motherboard's Bus Speed is 101.99 MHz. That indicates that it is slightly overclocked.

Try manually setting it to exactly 100.0 MHz in your motherboard's BIOS Setup. Some devices don't tolerate a base clock overclock no matter how small the overclock.

Verify that your DRAM Voltage is set to 1.500V in your motherboard's BIOS Setup.
 
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Solution
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Turkeldawg

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Jun 27, 2013
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Couldn't find a way to change the bus speed in BIOS, any help on that? But i think I know why it's like that, check this thread out: http://www.tomshardware.co.uk/forum/324330-30-speed
I'm pretty sure it's cause the memory is set to 1632MHz, even though it should be 1600MHz. When I changed the memory I could only choose options like 1632, 1336, 1886 not pick a manual number. I'll check it out tomorrow again.
101,99 x 16 = 1631,84.

ihog: I'm using factory settings except for the RAM change, which as stated above is what I think is responsible for the OC bus speed. I however had more frequent problems before I changed the RAM settings.

I would also like to say thanks to you guys for taking your time and helping me with this, I appreciate it.
 
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Turkeldawg

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Jun 27, 2013
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Ok i just found the bus speed (BCLK right?) in the BIOS and changed it to 100.0MHz. CPU-Z now says the bus speed is 100MHz aswell, so i'm gonna run prime95 and see if it crashes. I will update with the results, wish me luck!
 
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Turkeldawg

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Jun 27, 2013
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I've been running prime95 blend test for 2 hours now and no error so far. I think this might have been the solution! I guess me changing my ram setings to get rid of the bluescreens caused others to appear. Well thanks for the help, I'm gonna try to play some games and see i they work aswell and if they don't then I'll ask you guys again. I will choose ko888's response as solution for now, thanks to all of you! I would never have found this myself :)
 
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