How to reinstall mac os x on macbook pro retina

OK, this is where the problems start. I have connected to the internet correctly. Went home, brought the MacBook Pro with me home to continue troubleshooting. Repeat again and again to reinstall, no go. Turn on or restart your Mac, then immediately hold down one of these combinations:. Yes, there is a hint there.

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Something different shown! A new error page shown that the installation cannot be done on the drive with installation file inside.

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Yes, go to Disk Utilities again and erase the partition! It takes several hours to download the installation files, so be patient. Go take a nap or exercise! In fact, my MacBook Pro is downloading the update now while I am blogging with it now. My husband backed it up to our shared Toshiba Hard Drive. There were other things on there.

I sold my Macbook Air a couple days ago, and just have that backup. Hi I forgot to factory reset my MacBook Pro before selling it.

I did everything else. Hi, My DVD drive have some problem. Sometime it wont read disk and making noise.

I would like to format and reinstall everything. Now I am backing up gb data which I wont use anymore with mac. But still need in the future. Please let me know how to solve my issue. Instead of trying to reinstall everything, have you looked into simply replacing your DVD drive? Check out this Apple support link on modifying user permissions: Thanks for the walk through!

Done this before but always need details. I followed steps but having trouble with step 7. I did that and it installed OS X but afterwards it still had things like my safari bookmarks and some applications installed word, excel, etc. I thought it would be look just like the day I got it without those things. Any idea of where I went wrong? Thanks for your help! Double check all your options when you get to 7.

Just tried to factory reset, after the reset a file with a question mark appeared in the background. You may need to reselect the startup disk in Startup Disk preferences. I have a MacBook Pro Mid with 13 inch screen. I have found your article very useful but have a couple of questions. If I wipe my drive clean and hold down the Command and R Key. If you need to erase your disk before installing macOS, select Disk Utility from the Utilities window, then click Continue.

You probably don't need to erase, unless you're selling or giving away your Mac or have an issue that requires you to erase. Learn more about when and how to erase. If your Mac restarts to a setup assistant, but you're selling or giving it away, press Command-Q to quit the assistant without completing setup. Then click Shut Down. When the new owner starts up the Mac, they can use their own information to complete setup.

Decide whether to erase format your disk If you need to erase your disk before installing macOS, select Disk Utility from the Utilities window, then click Continue. Click Continue, then follow the onscreen instructions to choose your disk and begin installation. If the installer asks to unlock your disk, enter the password you use to log in to your Mac.