My system was running fine until next booting up after a Windows update – not sure which one, which was about a week ago.
It now only boots to the Windows splash screen, with no spinning circle, or hard drive activity. Pressing the power button, switches the system off straight away.
The spec is:
ASUS P6X58-D BIOS, version 0803. Intel Core i7 950 3.07GHz, with (just) 4GB RAM.
Nvidia GT 610
Seagate Hybrid and a Crucial solid state hard drive (for testing, which was not installed…