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When there is a problem with the system and you need to reinstall the system, you can use the "macOS X Utility" of the Mac computer to reinstall the system, that is, restore the factory settings. Or if it is under warranty, you can directly ask the staff of the Apple store to redo the system.
Before reinstalling the system, first copy the files you need on your computer in advance to avoid losing them during the system redo process.
The specific steps are as follows:
1.Plug in the charger and press the option button when the device is turned on.
2.Press the Command+R keys. Mac automatically recovers and goes to "macOS X Utilities".
3.Open Disk Utility, select the disk, choose the Partitions tab, and select Partition Layout (1 partition).
4.Change the Name to macOS Extended (Journaled).
5.Click on "Options....and select GUID Partition Table.
6.Click "Apply" and click "Partition" in the pop-up window.
7.Quit Disk Utility, go back to macOS X Utilities, and select "Reinstall macOS X".
9.Select the disk and click "Install".
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Reboot, press and hold the option when booting, then some disk icons will appear, select recovery on the far right, and then the option to reinstall the system will appear.
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1. The redo of the iOS system is very simple. No tools required. All you need is a Wi-Fi connection.
2. Press and hold the Command key and R key without loosening. Tap the power switch to turn on the machine.
3. The pop-up dialog box requires you to select wireless and connect. Enter the password to connect to the wireless network normally.
6. 4 options: restore from time machine backup is to restore the computer from the image file you have backed up to time machine in the past, reinstall mac os x as the name suggests is to reinstall mac os x lion, get help online is to retrieve the help file from the online to understand the reinstallation steps and common problems, and the last disk utility is for managing hard drives, Including: splitting magnetic areas, formatting magnetic areas, etc.
7. Select the second one to reinstall the system.
10. Start the installation.
11. Restart when you're done and enter the desktop.
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Hello, if your system can't get into Mac OS X, it should be that there is a problem with your hard drive partition, it seems that there is no other way, but the possibility of reinstalling is very high. Installing Mac OS X is as simple as inserting your Mac OS X disc and following the instructions to install it, no need to install drivers, because Mac OS X already includes all the drivers with it, just install it directly. There is one ** that is very similar to your case, you can refer to it.
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