If you are experiencing Chinese Language at the login screen requiring a Restart , Sleep or Shut Down, you may be frustrated about which one to click.
Or you may have a system message showing in Chinese, this article will show you how to change it to the language you preferred.
1. Open Terminal (located in /Applications/Utilities/) or search in the Spotlight “Terminal”
2. Type or paste this command in Terminal:
3. Press Return.
4. When prompted for a password, enter your account password and press Return again.
Note: You have to have password before you make changes the language, if you do not have password for your Mac, try create one first:
Go – System Preference – Users & Groups – Change Password – do not type anything in the old password – type new password twice and click “change password“
5. A list of available languages will be displayed. Type the number that appears next to the language you want to use, then press Return.
6. Quit Terminal.
7. Restart the Mac.