BSOD - ntoskrnl.exe+74469 - Random Crashes every day whilst PC is idle


  1. Posts : 3
    Windows 7 Home Premium 64 bit
       #1

    BSOD - ntoskrnl.exe+74469 - Random Crashes every day whilst PC is idle


    Hi,

    New to the forum and with an issue I cannot resolve.
    I have done a Memtest - all results OK
    I have done a DLGDIAG on Hard Drive - all results OK
    I have got all the latest drivers
    The crash normally happens between 10pm and 6am when no-one is using the PC and it is idle.
    Recently had an issue with overheating which was resolved by Currys (KnowHow) installing a new fan.
    Recently upgraded the RAM from 4gb to 16gb
    No new programs installed.
    I am completely stuck - I have ordered a new Graphics Card (just in case).
    Can anyone help please ?
      My Computer


  2. Arc
    Posts : 35,373
    Microsoft Windows 10 Pro Insider Preview 64-bit
       #2

    Hi Smoo62.

    Test your RAM modules for possible errors. Run memtest86+ for at least 8 consecutive passes.

    If it start showing errors/red lines, stop testing. A single error is enough to determine that something is going bad there.

    You said that you have done it, but do as it is said. Take a camera snap of the memtest screen before you close it, and let us see it. It is needed.
    If it does not show any error, enable Driver Verifier to monitor the drivers. Run Driver Verifier for 24 hours or the occurrence of the next crash, whichever is earlier.

       Information
    Why Driver Verifier:
    It puts a stress on the drivers, ans so it makes the unstable drivers crash. Hopefully the driver that crashes is recorded in the memory dump.

    How Can we know that DV is enabled:
    It will make the system bit of slow, laggy.

       Warning
    Before enabling DV, make it sure that you have earlier System restore points made in your computer. You can check it easily by using CCleaner looking at Tools > System Restore.

    If there is no points, make a System Restore Point manually before enabling DV.

       Tip



    Let us know the results, with the subsequent crash dumps, if any.
    ____________________________________________
    Code:
    BugCheck 3B, {c0000005, fffff8000332df4f, fffff880076b3c90, 0}
    
    Probably caused by : memory_corruption ( nt!MiIdentifyPfn+26f )
    
    Followup: MachineOwner
    ---------
      My Computer


  3. Posts : 3
    Windows 7 Home Premium 64 bit
    Thread Starter
       #3

    Hi Arc,
    Many thanks for your advice.
    I have ran Memtest86+ twice through 10 consecutive passes and it had no errors on both occasions.
    I have now replaced my graphics card and my PC has stayed up over night (It was crashing every night before that). I want to wait a little bit longer before doing anything else as I need to see whether it is now fixed or to have another start point for investigation.
    I will follow up in a few days to advise if any further issues or with the results of any further tests that I perform as per your recommendations.
      My Computer


  4. Arc
    Posts : 35,373
    Microsoft Windows 10 Pro Insider Preview 64-bit
       #4

    OK, no problem. :) Like memory, graphics is also a stop 0x3B causer.
      My Computer


  5. Posts : 3
    Windows 7 Home Premium 64 bit
    Thread Starter
       #5

    Hi Arc,

    Yes it was the Graphics Card - system has been stable for 5 days now. Many thanks. :)
      My Computer


  6. Arc
    Posts : 35,373
    Microsoft Windows 10 Pro Insider Preview 64-bit
       #6

    Welcome. :)
      My Computer


 

  Related Discussions
Our Sites
Site Links
About Us
Windows 7 Forums is an independent web site and has not been authorized, sponsored, or otherwise approved by Microsoft Corporation. "Windows 7" and related materials are trademarks of Microsoft Corp.

© Designer Media Ltd
All times are GMT -5. The time now is 06:18.
Find Us