How to back up important information when a Mac system crashes and fails to start

Although the Apple system is highly praised for stability, but as a programmer, still need to consider the system crash situation.

When the system crashes, unable to start, and we have not back up the important information inside the computer, this time do not worry. You can use the following

method to save your Apple computer.

1. Make a Mac bootable USB flash drive, which is to write a Mac system image file that will be installed to the USB flash drive,

(Portal: HTTP://WWW.JIANSHU.COM/P/E42B40B0FFB2)

This is done by booting to the disk assistant that was originally to the MAC system. When you start your computer, be sure to hold down the Commad or the option key, if it is

On the normal keyboard, hold down the ALT key. In this way, you can start, select the hard drive to boot, of course, here, we want to choose the USB stick boot (Install xxx).

2. When the reading bar is complete, it is time to actually install the image file to the hard disk to the step. But before we do this, we don't click Continue. We're going to be on the menu bar

Locate the Disk Assistant tool and partition the original hard disk (the partitions here are arbitrarily sized, because partitions are unable to re-partition the files on the hard disk.

This is a very important point of knowledge. Because you can back up files, it's all for this reason. ）。

3. After the area is divided, go back to the steps to install the image file. Select the hard drive you just separated, install the system here, and then wait for the installation to complete.

4. After entering the system, find the original account file of the computer, the previous information is all in the inside.

It's not just for yourself, but it's also a hope to help you. Next time be sure to back up ^_^ first.

How to back up important information when a Mac system crashes and fails to start