Brand new WD MY Passport Drive

I just recently bought a My Passport drive, (I am a graphic designer) I had a couple of important files on that drive and it wont connect to my laptop anymore. I went to Best Buy which is where I bought and they said they couldn’t do anything on their part. Its a brand new drive with very important files what can I do. PLEASE HELP

In order …

try a different computer

try a different usb cable

contact a data recovery service $$$

next time … keep backups (at least 2 or 3 copies) of important files in future.