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Mike, Mac Medic
Category: Mac
Satisfied Customers: 8527
Experience:  Over 20 years IT experience with Apple computers in publishing, marketing and design.
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I also have a WD Passport external drive and recently i

Customer Question

I also have a WD Passport external drive and recently i received the message that files cannot be copied because it appears to be read only.
JA: How long has this been going on?
Customer: For almost one month...
JA: What troubleshooting have you tried?
Customer: It says Time Machine couldn't back up to My Passport for Mac.
JA: Just to clarify, what's the model of your Mac, and what operating system are you running?
Customer: I have a Mac which is running El Capitan, OS 10.11.5
JA: OK. Got it. I'm sending you to a secure page on JustAnswer so you can place the $5 fully-refundable deposit now. While you're filling out that form, I'll tell the Mac Technician about your situation and then connect you two.
Submitted: 1 year ago.
Category: Mac
Expert:  Mike replied 1 year ago.

It sounds like it is formatted for Windows. I can check...