cloning hard drives

Please help, power went off while cloning my drive at around 30% progress and I now it seems the boot files moved to the target drive (now marked system reserved D) and goes straight to recovery screen when trying to boot & the source drive doesn't have OS anymore, I'm only able to boot my PC...

I recently did some cable management in my case just to tidy up, and after I booted, I found that I have no sound whatsoever. No playback through my headset, no sound through the microphone, and strangely all of the applications that would show in volume mixer disappeared. I initially suspected...