Recently my computer has been stuttering, It's a home built system that has never had any problems before. The main drive is a WD Raptor X 150 GB HDD, the secondary drive is a WD Caviar Black 1 TB. All programs run off the Raptor and my music and videos are on the Caviar. When I say stuttering, I type things it stalls and then completes the sentence 10 seconds later after I am done typing, you can imagine how frustrating it is typing this up. Also the Vista loading bar seems to take forever when loading the system itself. Start up programs take ages to load, I can hear the disk clicking and working, but I can also hear it not clicking and that seems to be when the stalls are occurring. The only recent thing I can think of that may have caused this is I forced a shutdown by holding the power button while the computer was going into sleep mode. Any ideas of what's causing this, should I back up my computer on the Caviar. I am at college and can't reinstall Vista until I get back home in about a week.