The hard drive in my VIP 722 crashed.  Dish will replace my 722 for $50 +15 shipping.  But if I'm wondering if it will be a referb.  If I decide to replace the hard drive myself, is there anything special I need to know, like compatible drives?  Do I need to format it a specific way first? etc.
				
			 
	 
	 
 
		 
 
		 
 
		 
 
		 
 
		