BSOD Help Needed: driver_irql_not_less_or_equal (wdf01000.sys) ; system_thread_exception_not_handled(atikmdag.sys)


I've recently built my own rig, less than 1 month old, and whilst transferring files from my external hard drive to my PC, I received a BSOD on a few occasions; driver_irql_not_less_or_equal (wdf01000.sys). As well as system_thread_exception_not_handled(atikmdag.sys) which occurred today whilst browsing the web.

I've collected the dump files which can be found here:

I'm not sure how to read them so any help on what I can do to diagnose and fix these problems would be most appreciated.


-Windows 8.1 64bit
-AMD FX-6300 CPU
-Cooler Master Hyper 212 EVO CPU cooler
-ASRock Extreme 3 R2.0 Motherboard
-Corsair Vengeance 2x4GB
-MSI 270x 2GB GPU
-Corsair RM650 watt PSU
-Samgsung SSD 840EVO 120GB
-Western Digital 1TB Cavier Blue
-ASUS DVD-Writer

-External Hard Drive - 1TB Western Digital Elements
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