BSOD error messages : system service exception and irql less not equal

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  1. Posts : 9
    windows 7 professional x64
       #1

    BSOD error messages : system service exception and irql less not equal


    Hi all !
    I got BSOD with different messages. Once with system service exception and once with irql less not equal.

    I have :
    1) windows7 ultimate x64
    2)graphics N450GTS-MD1GD3
    3)motherboard gigabyte ga-880gm-usb3

    Thanks in advance !
      My Computer


  2. JMH
    Posts : 7,952
    Win 7 Ultimate 64-bit. SP1.
       #2


    Memory corruption probably caused by a driver.
    Please run these two tests

    1-Memtest.

    Download a copy of Memtest86 and burn the ISO to a CD using Iso Recorder or another ISO burning program.

    Boot from the CD, and leave it running for at least 5 or 6 passes.

    Just remember, any time Memtest reports errors, it can be either bad RAM or a bad motherboard slot.

    Test the sticks individually, and if you find a good one, test it in all slots.


    RAM - Test with Memtest86+


    2-Driver verifier

    I'd suggest that you first backup your stuff and then make sure you've got access to another computer so you can contact us if problems arise. Then make a System Restore point (so you can restore the system using the Vista/Win7 Startup Repair feature).

    In Windows 7 you can make a Startup Repair disk by going to Start....All Programs...Maintenance...Create a System Repair Disc - with Windows Vista you'll have to use your installation disk or the "Repair your computer" option at the top of the Safe Mode menu .

    Then, here's the procedure:
    - Go to Start and type in "verifier" (without the quotes) and press Enter
    - Select "Create custom settings (for code developers)" and click "Next"
    - Select "Select individual settings from a full list" and click "Next"
    - Select everything EXCEPT FOR "Low Resource Simulation" and click "Next"
    - Select "Select driver names from a list" and click "Next"
    Then select all drivers NOT provided by Microsoft and click "Next"
    - Select "Finish" on the next page.

    Reboot the system and wait for it to crash to the Blue Screen. Continue to use your system normally, and if you know what causes the crash, do that repeatedly. The objective here is to get the system to crash because Driver Verifier is stressing the drivers out. If it doesn't crash for you, then let it run for at least 36 hours of continuous operation (an estimate on my part).

    If you can't get into Windows because it crashes too soon, try it in Safe Mode.
    If you can't get into Safe Mode, try using System Restore from your installation DVD to set the system back to the previous restore point that you created.
    Driver Verifier - Enable and Disable
      My Computer


  3. Posts : 9
    windows 7 professional x64
    Thread Starter
       #3

    Thanks for your reply ! I had the verifier already enabled before started this topic.
    I did the memory test as you said.(memory test found no errors)
    And then i got another system service exception BSOD.
      My Computer


  4. Posts : 9
    windows 7 professional x64
    Thread Starter
       #4

    Help any1 plz ?
      My Computer


  5. Posts : 28,845
    Win 8 Release candidate 8400
       #5

    EnterG said:
    Thanks for your reply ! I had the verifier already enabled before started this topic.
    I did the memory test as you said.(memory test found no errors)
    And then i got another system service exception BSOD.
    While verifier enabled the analysis is inconclusive pointing to an OS file. Can you run a system file check to verify and repair your OS files?

    Run a system file check to verify and repair your system files.
    To do this type cmd in search, then right click to run as administrator, then
    SFC /SCANNOW

    Read here for more information SFC /SCANNOW Command - System File Checker

    Let us know the results from the report at the end.


      My Computer


  6. Posts : 9
    windows 7 professional x64
    Thread Starter
       #6

    Thanks for the reply ! I did the scan and repaired some corrupt files . We ll see now ...
      My Computer


  7. JMH
    Posts : 7,952
    Win 7 Ultimate 64-bit. SP1.
       #7

    Let us know how things progress.
      My Computer


  8. Posts : 9
    windows 7 professional x64
    Thread Starter
       #8

    System drive exception BSOD again while surfing internet ... Don t know what to do .
    Last edited by EnterG; 26 Sep 2011 at 07:36.
      My Computer


  9. Posts : 28,845
    Win 8 Release candidate 8400
       #9

    EnterG said:
    System drive exception BSOD again while surfing internet ... Don t know what to do .

    Upload the DMP file


    RE-run the SFC /scannow
      My Computer


  10. Posts : 9
    windows 7 professional x64
    Thread Starter
       #10

    Now i got a BSOD with the apc_index_mismatch message.
      My Computer


 
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