Cd/DVD drive not recognized since lion upgrade - iMac 27" 2009
- Thread starter Gosso
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- Your Mac's Specs
- 2017 27" iMac, 10.5" iPad Pro, iPhone 8, iPhone 11, iPhone 12 Mini, Numerous iPods, Monterey
It's probably coincidental that your optical drive will no longer read burned CDs or DVDs, not because of Lion. And no, upgrading to Mountain Lion is not going to bring a defective optical drive back to life. Try cleaning the drive with a can of compressed air. Blow a few short blasts into the slot opening. If that doesn't work, it's likely you'll need a new drive or buy an external drive instead.
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Me too!
I have the same problem. The drive works perfectly when I boot into boot camp (windows 7). I can see DVDs but not CDs when I am in OS X however. Upgraded to Mountain Lion and still the same problem. I have reinstalled from scratch the operating system, and it worked at first, but now no longer works again. Can certain installed software conflict in such a way as to cause this to happen? I will be glad to post a list of my installed applications.
I have the same problem. The drive works perfectly when I boot into boot camp (windows 7). I can see DVDs but not CDs when I am in OS X however. Upgraded to Mountain Lion and still the same problem. I have reinstalled from scratch the operating system, and it worked at first, but now no longer works again. Can certain installed software conflict in such a way as to cause this to happen? I will be glad to post a list of my installed applications.
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