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Windows 7: New Comp, constant crashing after installing drivers. (atdcm64a.sys)

24 Aug 2012   #21

Microsoft Windows 7 Professional 64-bit 7601 Multiprocessor Free Service Pack 1

Oh, ok i disabled it.

My System SpecsSystem Spec
24 Aug 2012   #22

Microsoft Community Contributor Award Recipient

Microsoft Windows 10 Pro Insider Preview 64-bit

That means it was enabled ?

If so, afetr disabling it, wait and see if it causes any further glitch or crash. Most probably it would not.
My System SpecsSystem Spec
25 Aug 2012   #23

Microsoft Windows 7 Professional 64-bit 7601 Multiprocessor Free Service Pack 1

After consulting a local professional I found out the its actually the CPU overheating from the fan being too weak that's causing the computer to crash... Sorry for all the inconvenience Ive caused and thank you arc for helping me.
My System SpecsSystem Spec

19 Dec 2016   #24

7 Ultimate x64 (cracked)

Quote   Quote: Originally Posted by Arc View Post
BTW, do you, by any chance, have driver verifier enabled ? If so, disable it .

Driver Verifier - Enable and Disable

Bugcheck c9 can occur due to DRIVER_VERIFIER_IOMANAGER_VIOLATION. So, if you need not to monitor any driver via driver verifier, disable it.
I registered to come here and say that THIS FIXED MY PROBLEM THANK YOU.

I had looked all over and tried so many different things, and nothing worked. My screen would just glitch out into a crazy pattern and my computer would lock up hard, no number lock response, nothing.

Had the same atdcm64a.sys 0x000000c9 error as OP. It would hard crash me every time I started installing any version of AMD drivers. Also crashed me when I tried to install a driver for an older audio interface, with the same hard graphical glitch.

Thank you so much!!
My System SpecsSystem Spec

 New Comp, constant crashing after installing drivers. (atdcm64a.sys)

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