This will provide the necessary information on how to proceed. Open Disk Utility, in the Applications > Utilities folder, and choose Help > Disk Utility Help. You may have to reset your computer clock after this procedure. Keep these keys held down until you hear the start-up chime three times and then release, and allow the Mac to start up. Restart (or start up)> hold down Apple key-option-P-R When the procedure is finished you may receive a message that no repairs were necessary, or that repairs were successful (I cannot remember the exact phrases). there is a space between the k and the hyphen.Īllow the computer to run though the checks. Restart (or start up) > hold down Apple key-Sīlack screen with white scrolling text > type the following when the scrolling text finishes: I would also try the following just so you know you have tried most of the standard repair procedures: And if all is reported as being well and the optical drive is recognised as being there, then it may be that it needs to be replaced. The suggestion regarding System Profiler is the fist step you should follow. A tower repair/replacement is not too daunting a task for anyone who knows how to use a screwdriver. A MacBook optical drive replacement could set you back as much as $250 (possibly more) for parts and labour. A desktop tower (Mac Pro, G4 say) will take significantly less time to deal with than a laptop. If the drive is damaged (and not under warranty) the cost of replacement will be determined mostly by the computer model. I am dealing with the same issue, though it doesn't affect every data disk I insert and nor does it spit out every blank disk (DVD or CD), just some. If you have a recent model MacBook you may be suffering what many others are fighting with, and things may have stopped working after a firmware update. or a slot loading anything for that matter. Don't buy/use a cleaning disk if you have a slot loading laptop. No one asked what computer model is in use.
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