System crash No BSOD or I miss it...

Hi folks,
I hope you can help me solve this crash issue I am seeing on my laptop.
I did a clean install of Windows 8 Pro (TechNet download) on my Dell E6510 and everything seemed to be going smoothly.
I recently noticed the PC stuck on a boot screen notice stating [No boot device found press any key] and I have to power off the laptop then power it back on and it boots correctly.

I have not added any new hardware since installing, and the only new app I remember installing is iTunes....

I have attached the log files, and hopefully some one will see what it is that I'm missing, and what is causing this system crash.

Happened again (twice in the last hour)

So the issue of the "reboot crash" happened again twice over the last hour.

I could really use some advice on what to look at.

Thanks,
Chad

Bump for any advice or input.