USB not accessible

Hello, I was Trying to copy the Stuff on which I worked in the School from a Fedora Based PC whenever I try to Connect the USB it won't Show up in the Fedora OS, I tried Looking into the BIOS, I also tried to Reset the BIOS. The USB Even Heats Up, but nothing Shows up, many of the Other Students...

Hello guys i am going to buy new 1tb hdd please help me to buy western digital 1tb internal hard disk which one is better WD BLUE WD10EZEX or WD GREEN WD10EZRX i am using for primary usage and for gaming my budget is Rs.4500, well i am calling to wd technical support and guy tell me wd green hdd...