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Microcontroller has not been detecting

Other Parts Discussed in Thread: LMFLASHPROGRAMMER

Hello,

We have bought five Tiva C series TM4C123G Launch pad- Evaluation kits, but one of them has not been detecting in my computer. When I am trying the faulty kit in another computer, even it doesn't work, but when I remove my Vdd jumper in the defective kit and connect to my computer,it is detecting. 

I believe, there must be a problem with the kit itself.

Please resolve this issue, because I am running out of time for my academic project.

P.S: When I am connecting another kit in my computer, which is one of my friends, it has been detecting, but my kit has not been. So, I presume there's nothing wrong with my computer.