Need help installing my passport on a mac

WD External Drives External Drives for Mac
1

can not open disk

2

Can you provide more information? Like Model number of your drive, and more information of what is the situation.

More information you give, most likely you will get some help.

3

mccorm wrote:

can not open disk

Like opening the case or just the drive on Finder?

You post confuse post, me no read good.