Change permissions on Time Machine HD

[Littleboo]

My back up disc all of a sudden won't work with time machine. It is saying read only. I don't know how this happened and now I can't change it back.

thanks in advance for ideas

 

[BlueRevolution]

Try this:

https://forums.macrumors.com/threads/871557/

 

[Littleboo]

uh, this is a little over my head. What do I do with it?

 

[BlueRevolution]

1. Download.
2. Unzip.
3. Run.