If you think its the hard drive do a checkdsk on it. If that doesnt find anything switch the the sata port that its on to another and see if that does anything.
Being a ganker is like being a photographer, you have to wait for the right moment.
Miza - level 50: Ranger/Assasin/Marksman
Haruna - level 32: Sentinal/Warden/Purifier
Gankiskhan - level 22: Revear/Beastmaster/Paladin
Briarcliff (Brocliff) server - 420 Shake Weights everyday!