![]() ![]() After the installation process completes, your iMac will automatically reboot into OS X Mountain Lion. How to Clean up MacBook Pro, MacBook Air Hard Drive - YouTube 0:00 / 3:49 SPAIN How to Clean up MacBook Pro, MacBook Air Hard Drive 188 views Premiered How to. I have an old trusty A1466 model MacBook Air that my wife accidentlaly poured a glass of water into. For example, choose the hard drive you want to reinstall the operating system on and enter your Apple ID and password when prompted. The OS X Utilities window re-appears.Ĭhoose "Reinstall OS X" and click "Continue." Follow the directions to reinstall OS X Mountain Lion. Open the "Disk Utility" menu and choose "Quit Disk Utility" after the system displays the message that the disk has been successfully erased. The time for the process to complete depends on the amount of data on the disk. Click the "Erase" tab.Ĭlick the "Format" pop-up list and select "Mac OS Extended (Journaled)." Enter a name for the hard drive in the Name box and click "Erase." The system automatically erases the disk. If you only have one hard drive, it will be the only disk available. If the system does not automatically connect to the Internet, select your wireless network from the Wi-Fi menu to establish a connection.Ĭhoose "Disk Utility" from the list of options to open the Disk Utility window and click "Continue."Ĭhoose the hard drive you want to clear. Release the keys after the OS X Utilities window opens. Clear browser cache If you’re a heavy internet user, your Mac’s drive is likely full of temporary files known as the browser cache. Let’s look at an example of a Mac with only one hard disk: Your Mac’s hard drive is 500GB. Most Mac users have just one disk, but power users may have two or more. Each disk (or partition) has your Mac data on it, which consists of your operating system, applications, etc. Press the "R" and "Command" keys simultaneously and hold them when the system restarts. Here’s how to do it: Go to the Apple menu and select About this Mac In the Storage tab, click Manage Next to the option Empty Trash Automatically, click Turn On 5. Your Mac hard drive consists of disks (or partitions).
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