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1. #Mac internet recovery reinstall os x mac os
2. #Mac internet recovery reinstall os x install
3. #Mac internet recovery reinstall os x update
4. #Mac internet recovery reinstall os x upgrade

#Mac internet recovery reinstall os x mac os

In the Format pop-up menu, choose Mac OS Extended (Journaled), name your disk if you like, and click…(you’re sure, right?)… Erase. If you’re sure that you don’t need a new drive, but you want to start from scratch, you can erase the disk and reinstall a fresh copy of OS X.īoot into OS X Recovery, choose Disk Utility, and click Continue.Īfter the utility launches, select your startup drive’s name in the list on the left. On the next screen, select your Time Machine drive, the particular backup you want to restore from, and the destination drive. If you use Gmail, iCloud, or any other Web-based email service, you don’t need to worry about your email messages and settings, either.Īssuming you have a complete Time Machine backup (see the warning above), and you want to wipe the destination drive clean and restore your backup to that drive, select Restore from Time Machine Backup and then click Continue. If you use iCloud to share passwords, calendars, contacts, and the like among various Apple devices, you can now say a prayer of thanks to Steve Jobs. (You could, in fact, make copies to the cloud, if you don’t have a flash drive or external drive.) Try to back up any of your important, irretrievable files-photos, documents, financial or work files-that aren’t already stored on iCloud Drive or a cloud-based file-sharing service like Dropbox.If you can, go to System Preferences > Network and write down your network settings.Speaking hypothetically-because I know this will never, ever happen to you-what do you do if your drive is toast and you don’t have a backup? Time for damage control: Be prepared for this to take anywhere from 20 minutes to several hours, depending on your connection. OS X downloads over the Internet from Apple’s servers, and is installed. Enter the network’s password, if necessary.Ĭhoose Reinstall OS X and click Continue. Click the Wi-Fi icon at the top right of the screen and choose a network. You can do this, in theory, without harming your files and settings.įor this option to work in OS X Recovery, you must be connected to the Internet.

#Mac internet recovery reinstall os x install

Sometimes your copy of OS X is the problem and you’ll need to install it anew.

#Mac internet recovery reinstall os x upgrade

If it’s possible to add more RAM, click the Memory Upgrade Instructions link. To see how much you have, choose Apple  > About This Mac and click Memory ③.

Add RAM: Yosemite demands a lot of RAM if everything is running slowly, and it’s not due to a full drive, you might need more.To see what files are hogging your megabytes, try an app like Id-design’s WhatSize. Free up disk space: If your disk is nearly full, your Mac may run slowly.

Check vendor Web sites for apps you got elsewhere. Go to Apple  > App Store and click Updates to check for, and then download, new versions of software from the App store (including OS X itself).

#Mac internet recovery reinstall os x update

Update your software: If your problem is a bug, a software update may help.If force-quitting and restarting doesn’t stop your slowdown problems, you might need to do more: If your Mac still won’t start, take it to the Genius Bar.Trying resetting your Mac’s SMC (System Management Controller).Did you recently install new RAM? Take it out.Do you have another power cable (or, for laptops, another power adapter)? Try that.Is your power cord damaged? Check for chew marks if you have a kitten, puppy, or other teething beast.Does the electrical outlet work? Plug in a lamp to test it.Are you staring blankly at this chapter because you can’t even get your Mac to turn on? Try this: