> I'm not sure whether my HDD is dying or if my power supply is inadequite but
> regardless, I get a strange problem with my OS disk. For some weeks it works fine,
> but some days it seems to act like the power was pulled on it, click and shu down
> before spinning ages whilst windows 7 freezes for a short while trying to access the
That typically means there are a lot of (currently) recoverable read errors and the drive will die very soon.