Had this BSOD twice recently and I'm not sure why. This morning my PC couldn't boot, not even past POST, but after a few attempts at rebooting it, it burst back into life and is now okay. I'm not sure what could be causing either. Crash dumps and info in the attachment. I hope you can help 
My Computer
- Computer type
- PC/Desktop
- OS
- Windows 7 Ultimate x64
- CPU
- Intel i5 3570k
- Motherboard
- Gigabyte Z77x-D3H revision 1.0
- Memory
- Corsair Vengeance LP DDR3 8GB (2x4GB) @ 1600Mhz
- Graphics Card(s)
- MSI Twin Frozr 660Ti PE 2GB
- Hard Drives
- Samsung 840 Evo 250GB
Seagate Barracuda Green 1.5TB
Wester Digital Elements 2TB (external)
- Antivirus
- Avast
- Browser
- Chrome