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Erasing a CD or DVD

If you want to reuse a CD-RW or DVD-RW disc, you need to erase it first, which you can do with Disk Utility. Before you start, there is one thing you need to know. You can't erase a standard CD or DVD that was a previously recorded CD-R aor DVD-R disc. During the process, you have the option to select Quick Erase. When you select Quick Erase setting, the contents on the CD or DVD gets overwritten when new information is placed over it. If you don't select Quick Erase setting, the contents is overwritten with zeros to completely erase the CD or DVD, which takes longer to finish.

Erase a CD or DVD

Open the Utilities folder, and then double-click the Disk Utility icon.

Select the disc in the left column you want to erase.

Click the Erase tab.

If you want, select the Quick Erase check box.

Click Erase.

Click Erase to confirm you want to erase the CD.

Click the Disk Utility menu, and then click Quit Disk Utility.


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