MacBook Air - My Passport 1T won't mount after Yosemite update

WD External and Portable SSD External SSD for macOS
1

  1. Tried to switch cables

  2. Won’t mount on Linux or Windows

  3. Mac WD Drive Tools - shows me drive 1T click on - run drive status check, nothing …same with other buttons.

4).Not showing in Disk Utility or terminal 

5). Lights… 2-3 minutes steady light, then flashing with 2.5 second delay.

6). Interesting note, while loading in recovery mode and then restart drive light is constantly flashing.

SOS 

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Hello

Welcome to the WD Community.

Have you tried using the  WD Macintosh +TURBO Drivers ?

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Yes inslalled those drivers and no luck so far.

Any other options?