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Sometimes these permissions on system files differ from what it should be and this is what we repair using Disk Utility. A permission allows one application to “talk” with another application and so OS X wants permissions and ownership to be accurate and enabled to function properly. Run Disk Utility and Repair Disk Permissionīefore starting any troubleshooting, I would recommend you to repair disk permissions as it solves hundreds of problems. What to do if CD / DVD Drive on my Mac keeps ejecting every CD / DVD 1. I am going to share the complete troubleshooting for this “CD / DVD keeps ejecting on Mac” issue which could be result of various reason like dust on lens,OS X issue, hardware fault. When I inserted any DVD in the external CD / DVD drive it did the same thing- ejected it.It keeps ejecting the CD / DVD automatically.Then I thought it must be a software problem so I did a research and found various troubleshooting steps to fix it. I thought its my CD / DVD drive which is faulty and needs to be replaced so I plugged in a USB CD / DVD drive to my Mac that I had purchased long time ago. My drive was working normal earlier today, then it went crazy. it sounds as though it is trying to read the disc, but fails.
![mac disc drive not working on pc mac disc drive not working on pc](https://www.diskpart.com/screenshot/en/others/windows-10/add-drive-letter.png)
Soon after I put a CD or DVD in the drive, it spits it back out. My CD/ DVD drive on my iMac is going crazy.
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