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BSOD related to ntoskrnl.exe and atikmdag.sys

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#1 yaas0n


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Posted 26 July 2013 - 08:08 AM

Hi I've recently joined a technical support team and have been given a dell desktop (optiplex 7010) that's had constant BSOD issues going back months. I've been told the OS (win 7) has been reinstalled several times and the issues doesn't seem to go away. 

Based on that I figured it must be a hardware issue. I did a diagnostic test in the bios had the computer freeze up during the diagnostic and Dell sent a technician to replace the motherboard as a tech mentioned the error code related to the motherboard. Well the motherboards been replaced and I'm still getting BSODs. The timing of the BSOD is random, the computer will run anywhere from 15 mins to a couple hours, but the BSOD is pretty consistant. 

I thought I had it narrowed down to corrupt ATI drivers a couple days ago and reinstalled a redownloaded driver software from dells support page, but again the BSOD is back. 

The most common BSOD error code is: 0x00000050  although I get several. And running bluescreenview to check dmp files the most common drivers causing the BSODs are ntoskrnl.exe and atikmdag.sys.


Any help would be GREATLY appreciated


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#2 Anshad Edavana

Anshad Edavana

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Posted 26 July 2013 - 09:06 AM



:welcome: to the Bleeping Computer forum


Please follow the below steps.


:step1: Test the system memory thoroughly using Memtest86+


Read this article first http://www.sevenforums.com/tutorials/105647-ram-test-memtest86.html


You should run at least seven or more passes for an accurate result. I recommend running 10 passes. As it may take several hours to complete, it is better to run it overnight.


Following video will give you a better idea about the test.




Report whether it detects any errors during the test.


:step2: Upload the crash dumps for inspection.


Open C:\Windows\minidump folder and copy all the crash dump files to another temporary folder. Zip that folder and upload it to any free file hosting site.


For example :







:step3: Download and run Minitoolbox from http://www.bleepingcomputer.com/download/minitoolbox/

    Run the tool and only select the following tick boxes.
    -List last 10 Event viewer errors
    -List installed programs
    -List devices
    -List users, partition and memory size
Now click "Go" and post the output in next reply  (or upload the result.txt with dump files) 

Edited by Anshad Edavana, 26 July 2013 - 09:08 AM.

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