BSOD Windows 7, not sure what is causing it.

Hello everyone, recently built a new PC for my gf and it has been crashing lately. At first I thought it was because the BIOS was out of date, so I went ahead and did an update with the most up to date one on the ASUS website. I believe that fixed one of the crashes, because now I am getting a crash and the crash dump files is saying it was probably caused by ntoskrnl.exe (nt+0x735C0) . I am not sure what do to now. Is this a hardware problem, should i return the hardware and buy something else? Here are my specs, all bought in July 28th 2015. I could not find a way to attach the dump file to this post, so I took a snip of it and put it on tinypic, here is the URL http://i60.tinypic.com/o574hd.jpg . I downloaded WhoCrashed and it also has a dump file in the memory, and WhoCrashed is stating it was probably caused by ntkrnlmp.exe (nt!KeBugCheckEx+0x0) . The error is SYSTEM_SERVICE_EXCEPTION for both of them.

Case: Rosewill STAR PREDATOR http://tinyurl.com/lywwf89
Motherboard: A88X-PLUS http://tinyurl.com/lv2877g
CPU: AMD A10-7870K http://tinyurl.com/o8gb4la
RAM: G.SKILL ARES SERIES 16GB 2400MHZ http://tinyurl.com/py9ch5p
SSD: Mushkin 240GB http://tinyurl.com/njbvp27
PSU: EVGA 500W http://tinyurl.com/oqorqhz
13 answers Last reply
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  1. So the system was working fine after it was built but now has a crashing problem? Test one module at a time to see if one performs differently. You can run a memory test to see if any errors are detected. Let me know how it goes.

    Also, which slots do you have the RAM installed in? They should be in the same color ones furthest away from the CPU.
  2. gskill support said:
    So the system was working fine after it was built but now has a crashing problem? Test one module at a time to see if one performs differently. You can run a memory test to see if any errors are detected. Let me know how it goes.

    Also, which slots do you have the RAM installed in? They should be in the same color ones furthest away from the CPU.


    Hello and thank you for your reply, I ran a memtest86 test for a very long time, and here are the results before I stopped it. It was running for at the very least 4 hours.

    http://i62.tinypic.com/vngg2g.jpg

    http://i62.tinypic.com/29dk3sn.jpg
  3. Please help :(
  4. Do you have a graphics card?

    You may want to try a fresh install of Windows to see if it can run smoothly.
  5. So the memory is fine ? No I am using the APU for graphics. I was thinking the same, about reinstalling the OS. But I am thinking of either upgrading or doing a full install of Windows 10, but I am afraid that the BSOD issue will get worst.
  6. Error code: (NTSTATUS) 0xc000001d (3221225501) - {EXCEPTION} Illegal Instruction An attempt was made to execute an illegal instruction.

    check for overclocking related problems. IE overheating caused by fans not turning, or BIOS overclocking or software overclocking drivers.
    could also be memory corruption. reset bios to defaults or update the BIOS and run memtest86 to confirm your memory timings are ok.

    you can put your memory dump on a server and post a link. Sometimes it is pretty easy to see the cause of the problem with the windows debugger.
  7. For the RAM, manually set it to DDR3-1600 8-8-8-24 1.50V for now until we can identify the cause of problems.
  8. I believe it may have been the "optimal" OC setting in the BIOS i had set up. I switched it to normal, which turned the voltage of the ram to AUTO from 1.65v. @g.skill, how do I do that ? In the BIOS ?
  9. Yes, RAM settings can be adjusted in BIOS.
  10. I have figured out it has to do with the OC settings. I reverted back to default settings, ram running at 1333 by default, and I have not had a single crash. I went to the bios and picked DOHCP or whatever its called profile to OC, and then I crashed. I later went to manually put the RAM at DDR 2400 , which changed the voltage to 1.65v, this also gave me a crash. I have no idea what to fix, the RAM tested ok.
  11. So.. you have not tried the DDR3-1600 settings i mentioned?

    Work your way up, you can't expect DDR3-2400 to just work, it requires trial and error tweaking to achieve that frequency with that CPU.
  12. Sorry I have not replied, I got caught up and was not able to do as you suggested. I will apply the settings as you suggested and report back with results. I really wanted to run my ram at 2400mhz because it was recommended for my APU.
  13. Updating, I was able to successfully get the RAM to run aat 1600 I have not tried to reach 2400mhz.
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