The computer won’t burn discs.
1.Check whether the drive can read CDs and DVDs normally. Perform the steps above for “CDs or DVDs don’t show up on the Desktop.”
2.Try a test burn by creating a Burn Folder, as follows.
• In the Finder, choose “New Burn Folder” from the File menu.
•Open the Burn Folder, drag an item inside for testing, and click “Burn” in the upper right corner of the window.
• When prompted, insert a blank disc and follow the dialog instructions.
Does the disc burn successfully (problem solved), fail with an error, or is the disc ejected?
3.If the disc fails to burn with an error, check for these error messages.
Unknown Error
Buffer underrun error. See Knowledge Base articles 25480 and 25750 for more information. Unknown Error. If you see “Unknown Error” without
4.If the blank disc is ejected, try another blank disc. If the issue persists, try another brand and speed of blank media; if you’re using blank CD media, see if this happens with blank DVD media. If the drive consistently rejects all blank media, or only rejects blank CD media while accepting blank DVD media or vice versa, replace the optical drive adapter board and test. Does the drive successfully burn to disc after replacing the optical drive adapter board? Yes: Problem solved.
iMac
