HT204618: Set up and use Back to My Mac
Learn about Set up and use Back to My Mac
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Dec 30, 2015 9:34 PM in response to kennethfromgaby getstevesattention,Here is some more info: http://www.macobserver.com/tmo/article/Erasing_a_CD-RW_or_DVD-RW
- Place the CD-RW or DVD-RW you want to erase into your Mac.
- If there are any files you want to keep that are on the disc, be sure to copy them to your hard drive.
- Launch Disk Utility. Itis in Applications > Utilities > Disk Utility.
- Select the CD or DVD you want to erase in the column on the left.
- Click the Erase tab. The Quick Erase box is checked by default. Using Quick Erase to prepare the disc for reuse takes less time.
- Click the Erase button to erase the disc.

Use Disk Utility to erase rewritable CDs and DVDs.Once a CD-RW or DVD-RW is erased, you can use it again just like a new disc.
- follow directions here: http://www.smith.edu/tara/file_transfer/disc_mac.html
Burning a CD or DVD using the Finder
It is easy to burn CDs and DVDs using the Finder. You can burn single-session CD-R, CD-RW, DVD-R, and DVD-RWs in a few simple steps:
- Insert a blank disc into the optical drive of your computer.
- If you see a dialog asking you what to do with the disc, choose "Open Finder" and select "Make this action the default" if you want the Finder to open every time you insert a blank disc.
- The disc will appear on your Desktop and in the Finder sidebar. Double-click on the disc to open it and drag the files and folders you want to burn into the disc's window. (If you drag folders into the disc's window, the contents of those folders will be burned to disc.)
The Finder makes aliases to the files in the disc's window. The original files will not be moved or deleted. - If you want to rename or re-arrange the files within the disc window, do so now. You will not be able to rename files on the disc after it has been burned.
- Choose File > Burn Disc and follow the on-screen instructions.
For more information, click on the Help menu and type burning disc. "About burning your own CDs and DVDs" is a good starting point.
You may also want to read the Apple Support article, Mac OS X: About burning data onto CDs.