SanDisk Extreme Pro USB 3.0 128 Gb not working anymore

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2

Hello, 

in that case the drive seems to be defective and needs to be replaced. 

here you can open an online rma request to replace it with sandisk direct

http://kb.sandisk.com/app/rmaform/session/L3RpbWUvMTQ2NDU4NzkwNS9zaWQvWGRseG5NUm0%3D