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DPC Watchdog Violation

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#1 oOFissionOo


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Posted 03 February 2018 - 01:20 PM

My computer has been crashing a lot over the past two months. I am usually in the middle of something when out of nowhere my main monitor, hooked into my GPU, goes completely black, losing video signal and audio from my open program begins to stutter/loop. I also would get the window notification should of some hardware being disconnected like when you remove a flash drive. Often it would be followed by windows on my second monitor, hooked into my MOBO, going black and essentially crashing or this monitor losing signal as well. Yet after the initial impact, I can still talk to people in discord voice chat, if I had it open (so I'm pretty sure programs are still running). Sometimes, however, I would get a blue screen on my second monitor with the reading "DPC Watchdog Violation" followed by a restart. It seems to mainly happen when I am playing games like Overwatch, OSU!, or Hearts of Iron 4 (though with this game my screen would often just go black and instantly restart my computer so this may be a different issue). however, it would also happen while my computer was just sitting on the desktop, or even literally as it was starting up.


I tried everything I could find to fix this; I updated all my drivers were up to date, reinstalled my GPU drivers from NVIDIA website, Looked for crash reports in event viewer (to no avail), made sure my IDE ATA ATAPI controllers were correct, Ran drive scans and repairs through CMD, anything I could find. I even watched my Temps with HWinfo to see if maybe something was overheating. The only things that seemed to help were opening up my PC, removing my GPU, blowing the dust out (if there was any in there) and remounting (which would only mitigate the problem for short periods of time AKA for 5 days, at best, going without a crash) and clean installing windows 10, which I did probably three weeks ago and have only experienced 2-3 crashes all with Blue screens, but iIsuspect there were more because I came home a couple of times after leaving my computer on to find all my programs were closed (probably restarted). 


I am at the point where I think it's honestly a hardware issue, but I thought I would come here to see if maybe I had missed something with the software (bc resetting windows 10 helped a little, at least). Otherwise, how do I go about finding the part that I need to replace?


Thank you!

Edited by oOFissionOo, 03 February 2018 - 01:47 PM.

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#2 usasma


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Posted 03 February 2018 - 04:49 PM

Looks like you've done a lot of the troubleshooting already.

Here's my suggestions for ruling out hardware problems.  As you've already done the clean install, you'll only need to do steps 1 and 3:


My suggested way to diagnose a hardware problem (3 steps):

Step #1)  Please run these free hardware diagnostics:  http://www.carrona.org/hwdiag.html
    Please run ALL of the tests and let us know the results.  (If you can't run all the tests, then at least run these free, bootable diagnostics:  http://www.carrona.org/initdiag.html )
    FYI - These are the tests and what we usually see for the reports:

        1 - Antivirus/antimalware scans:  In short, if there are Trojans or other serious malware - start over in the Am I Infected forums
        2 - Memory diagnostics:  Run MemTest86+ for at least 3 passes.  If booting from UEFI, run MemTest86 instead.  Let us know if there were any errors reported
        3 - Hard Drive diagnostics:  Don't sweat the details here.  In short, run the Seagate Seatools Long/Extended test from a bootable disk.  If unable to run it from a bootable disk (UEFI and some others), then run the Seagate Seatools for Windows from within Windows.  There are no diagnostics for SSD's, just run the Crystal Mark tests and let us know if there were any failures
        4 - Furmark:  run the test until the temperature stabilizes.  Don't let it get much over 90ºC.  Let us know the temp it stabilizes at and if there were any problems running the test (other than slowness).
        5 - Prime95:  run the Blend test for 24 hours (this may not be possible, but run it as long as you can.  Look for errors in the output, or for problems running the test (freezes/crashes)
        6 - Video 2 (other video tests):  there's several tests here.  Run all of them.  I'm especially interested in the Video Memory Test.  Let us know the results of the test(s)
          - A - simtek.org memtest
          - B - Video memory stress test
          - C - Artifact Locator
          - D - OCCT - 4 built in tests for CPU, GPU, PSU
          - E - Video Memory Stress Test
        7 - CPU tests:  run at least one test on your CPU and let us know the result.

Step #2)  If all the tests pass, then try to perform a clean install of Windows:

A clean install is:
        - Windows is installed to a freshly partitioned hard drive with legitimate installation media (W10:  https://www.microsoft.com/en-us/software-download/windows10 ).
        - The installation media is only a copy of Windows, not the OEM recovery disks that you can make on some systems.
        - Windows is fully updated after it's installed.  That's ALL updates - none excepted.
        - NO 3rd party software is installed.
        - There are no errors in Device Manager (if you find any, post back for suggestions).
         - The BIOS/UEFI is updated to the latest available version (this presumes that the system is compatible w/Windows 10 also).

        This will wipe everything off of the computer, so it's advisable to backup your stuff first.
        Also, it will wipe out all the special software that the OEM added to the system, so if you rely on any of that - let us know what it is so we can figure out a way to save/download it (the easiest way is to create/obtain the OEM;s recovery media)

        If unable to find recovery media that has the software (or if you suspect that this is a hardware problem), you can make an image of your system that'll preserve everything in the state that it was in when you made the image.  You can also do this if you don't want to try another hard drive - yet you want to be able to return to the current system state.
        One drawback to this is that you're making an image of a malfunctioning system - so, if there are errors in the system software, you'll have a nice copy of them [:(]
        Another drawback is that the image of the system will be very large - so you'll most likely need a large external drive to store it on.
        But, this will allow you to save everything on the hard drive (although you'll need an image viewer to get things out of the image).
        The point here is that, if it's a hardware problem, then you can restore the system to the point it was when you made the image - after you repair the hardware problem.
        You can obtain more info on imaging in the Backup/Imaging/DiskMgmt forums located here:  http://www.bleepingcomputer.com/forums/f/238/backup-imaging-and-disk-management-software/

        The point of doing this (the clean install) is to:
        - rule out Windows as a problem (if the problem continues, it's not a Windows problem as you completely replaced Windows
        - rule out 3rd party software (if the problem continues, it's not a 3rd party software problem as you didn't install any 3rd party software)
        - so, if the problem continues, it must be a hardware problem.

        OTOH, if the problem stops, then it was either a Windows or 3rd party software problem.  If the problem doesn't come back, then you've fixed it.  Then all that remains is setting the computer back up the way that you'd like it and importing your data from the backup you made.

Step #3)  Then, if the clean install confirms the hardware problem, try this procedure to isolate the problem device(s):  http://www.carrona.org/strpdown.html

My browser caused a flood of traffic, sio my IP address was banned. Hope to fix it soon. Will get back to posting as soon as Im able.

- John  (my website: http://www.carrona.org/ )**If you need a more detailed explanation, please ask for it. I have the Knack. **  If I haven't replied in 48 hours, please send me a message. My eye problems have recently increased and I'm having difficult reading posts. (23 Nov 2017)FYI - I am completely blind in the right eye and ~30% blind in the left eye.<p>If the eye problems get worse suddenly, I may not be able to respond.If that's the case and help is needed, please PM a staff member for assistance.

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