When you see the utility window, choose disk utility to erase your disk and when you're done, choose to reinstall OS X.Ĭomputers that can be upgraded to use OS X Internet Recovery - Apple Support It will connect you to the Apple servers. You can try the recovery of the internet (which will work if your older model has been updated to enable of): hold command + Option + R until you see a progress bar (take a while). Would you like to share why you must do a clean install? With the help of USB keyboard so not wifi issues to to worry. Install OSX 10.11.4 I do cleaning but R command will not work. OEM versions does not move directly from an older Windows operating system OEM versions allow all hardware upgrades except for an upgrade to a different model motherboard OEM Licenses are tied to the computer first you install and activate it on OEM versions don't offer any free direct support from Microsoft technical support Microsoft The OEM of Windows 7 versions are identical to the versions commercial full license with the following exception: If previous key provided with the laptop dead, no, you cannot transfer to a new laptop.
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