Hello All.. I recently bought my MBP ( first timer ) and today i got a 1 TB external Hard disk .. It is fine when i connected to my MBP..but after that i connected to my Desktop (PC) to transfer some data into it..but my PC is not recognizing it ....is it the case ? Cant i use a mac os x formatted external hard disk on my a PC ? please help...i want to use the HD on both of them...