WD My Passport Essential SE Not Loading

I’ve had my drive since Jan 2110, but have not used for at least a year, for health issues.  I plugging in today, thought I updated software, and now it doesn’t do anytime.  Order number was WDBABM7500ABK-NECS.  Any hints are welcome.

Bob

Follow the steps on this article:

WD external drive is not assigned a drive letter by Windows or Mac OSX and data on the drive is inaccessible

http://wdc.custhelp.com/app/answers/detail/a_id/1164