Best steps connecting My Passport external drive to IMac 10.8 Snow Leopard

If it is a new drive that is pre-formatted with NTFS, the Mac won't be able to write to it.

You have two options for dealing with that:

• Install a third-party NTFS filesystem driver (that is compatible with Snow Leopard), or
• Go into Disk Utility and Erase the drive, reformatting it using HFS+ (Mac OS X Extended (Journaled, NON-case-sensitive))

The second is the easiest, and what many Mac users have done for a long time.

Snow Leopard's last release was 10.6.8, well over 10 years ago. Connect a USB cable to the drive and then connect it to the computer and it should be seen in Finder. If you cannot see it in Finder then please write a better description of what you are experiencing so we can help you out.

Please read the following user tip and restate your question/problem in detail: 

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