Just Manual will do, i run this Defrag class program, try the free Version Home Disk Defragmentation Software | PerfectDisk 11 Professional
also try this Free version of Hard Disk Sentinel downloads Install and run , this will say if you have any issues with drive and Logs shown if you have H.D.D Smart enabled in Bios.
your OS drive with bad sectors maybe causing the freeze on media player running, try that trial Perfect disc.
what drives do you have? as you may be able to Rma the Drive , and use your slave as main for time being.