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Hi All I have an odd problem with my external DVD drive I’m using on my Macbook Air The mac is reading the presence of a disc but it refuses to play it or read it. I thought it was the drive, but when I plugged it into my PC it works fine. 100% OK, Any ideas? I’m running the latest Mac OS - Mojave

Setting up a Mac to share discs To share discs from a Mac that has a built-in or external optical drive, use these steps: On the Mac that has an optical drive, choose System Preferences from the Apple menu.Click the Sharing icon in the System Preferences window.Make sure you’ve entered a name that you can easily recognize in the Computer Name field.Enable the checkbox for DVD or CD Sharing.You can also restrict who has access to your optical drive by selecting “Ask me before allowing others to use my DVD drive.”