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2013-10-18 20:50:33 +08:00
You will be able to reinstall the operating system version that shipped with your product by going to the Mac App Store. Any other applications or other data should be restored from the back up that you made before the replacement.
If you believe you have paid for a repair or replacement due to this issue, contact Apple regarding a refund.
This worldwide Apple program does not extend the standard warranty coverage of the MacBook Air.