Computer can not see usb disk

I bought My Passport Ultra external USB hard disk but my computer dont show hard disc although light of usb hard disk on

Hello ufuksarac,

I would suggest you to try to connect the External Hard Drive on a different computer and by using different USB cable to isolate the issue.

Refer the link provided below for more information.

https://support-en.wd.com/app/answers/detail/a_id/12455