Is it the drive that has your OS? If yes, do you know how the tech transferred your system? Was it a stand-alone drive or part of a RAID?
Obviously the thing didn't have internet operability. But any rate thanks to those of you who commented. Dell have agreed to collect the CPU to test it and get it going properly .. hopefully .. and then return it. So that means I've will have lost use of it for 2 weeks by then.
If I understand your question correctly (because I'm such a non-techie), it was a stand alone drive without any partition.
I have to butt in here. I worked in a computer shop for a few years. The number one cause of a blue screen happening at random times was a bad memory module. No one suggested that yet. Download memtest x86 (do a google search) and test your ram out over night.