Due to the strict law, you are not able to play different region DVD on your computer. Every DVD player (that includes the one in your computer) is sold being able to play only discs with the same region as the country it was sold in. That includes Macs too, sort of. On a new Mac, the DVD drive is automatically locked to the DVD region code that is first used. From then on, this can only be changed four more times.
I've had this drive on two How many blank discs does it take to burn just ONE? Well, if you're using the Apple USB Superdrive, the answer is six, apparently. I've had this drive on two computers, a Mac Pro at work and another at home and it never goes smoothly. Intel-based Mac Bootable optical media (CD or DVD) on Macs equipped with Apple’s Super Drive or a USB thumb drive formatted with a GUID partition type and containing an OS X installer or a usable operating system. Apple advises against booting from external storage containing a version of Mac OS X earlier than the one your Mac shipped with. Reimage for mac. This Mac external CD drive is designed for the owners of MacBook Pro with Retina display, MacBook Air, iMac (starting from 2012), Mac Mini (starting from 2009), Mac Pro (starting from 2013). With the Apple USB Superdrive (MD564LL/A) you will be able to watch movies on DVD, install software, create backup copies, and perform many other tasks. External DVD drive is a great solution if you own a netbook or your PC has a broken built-in DVD drive. The best external DVD and CD drives are compact and lightweight, so they won’t take much space in your bag but will be a great bonus for your 2-in-1 laptop or gaming PC. How to Choose The Best External DVD Drive.
I've had this drive on two How many blank discs does it take to burn just ONE? Well, if you're using the Apple USB Superdrive, the answer is six, apparently. I've had this drive on two computers, a Mac Pro at work and another at home and it never goes smoothly.
You pretty much have two choices — either find the DVD region code that you'll be using the most and set it to that one (since the four times are going to be used up sooner or later) — or 'flash' your drive to make the DVD player in different regions, which goes with the risk of destroying the drive. Below are tips to play different region DVD on Mac (macOS sierra, EL Capitan, Yosemite and Mavericks included).
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Simple Steps to Play Different Region DVDs on Mac (Sierra included)
Step 1
When you insert a DVD with a different region with the one of your drive, you get the dialog pop up as image shown.
Step 2
If you click cancel at this point, the DVD will be ejected, so Cntl + Click on the DVD Player icon, hold down the Option/Alt key and then click Force Quit (you can set DVD player not to open when a DVD is inserted in System Preferences). Nicecast for mac.
Step 3
Download and install VLC and open it, then select File > Open Disc. Filemaker pro for mac upgrade. Click on the Disc tab -> click on DVD -> select the device -> click OK (usually this is selected by default). The DVD will now play, and your region code will remain intact.
From http://creativebits.org/
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