Next, if that doesn't help, try using a cleaning kit on the drive, since it may be a simple matter of dirt or debris on the laser. Press the power button on the back to start up your computer. Then reconnect your keyboard and mouse to the computer.

Plug the power cord back in, making sure the power button is not being pressed at the time. Unplug all cables from the computer, including the power cord and any display cables. Shut Down (or if the computer is not responding, hold the power button until it turns off). Press the power button once more to start up your Mac mini. Plug in the power cord while simultaneously pressing and holding the power button on the back of the computer. Unplug all cables from the computer, including the power cord. If that doesn't help, you might then try a PMU reset (if this is a G4 mini) or an SMC reset (if it's an Intel) Instructions for doing this are: If you used Disk Utility from macOS Recovery, you can now restart your Mac: choose Apple menu  > Restart.What you describe is certainly a symptom of a faulty optical drive, but before you have it replaced, there are a couple of things you might try.įirstly, open the CD and DVDs preference pane and ensure that for each type of disk, an option is selected, such as 'Open Finder' for when you insert blanks, open iTunes for music CDs, DVD player for video DVDs etc.

The order of repair in this example was Macintosh HD - Data, then Macintosh HD, then Container disk4, then APPLE SSD. Keep moving up the list, running First Aid for each volume on the disk, then each container on the disk, then finally the disk itself. If you're asked for a password to unlock the disk, enter your administrator password.Īfter Disk Utility is done checking the volume, select the next item above it in the sidebar, then run First Aid again.If the button is dimmed and you can't click it, skip this step for the disk, container, or volume you selected.

If there is no Run button, click the Repair Disk button instead.

In this example, the last volume on the disk is Macintosh HD - Data.Ĭlick Run to begin checking the selected volume for errors. For each disk that you're repairing, start by selecting the last volume on that disk, then click the First Aid button or tab.

Internal mac dvd drive