如果您打算出售您的Mac，您可能不希望买家访问您机器上可用的数据和信息。因此，您需要在放弃之前删除存储在Mac上的数据。(Mac)
此擦除过程包括从 Mac 中删除您的数据(removing your data from your Mac)并确保您的所有帐户都已完全取消授权。这样，Mac的新所有者将无法访问您的任何数据，也无法恢复任何内容。
然后，他们将能够使用他们的帐户和数据设置Mac 。以下文章概述了您在出售Mac之前要做的九件事。此外，请务必查看我们之前关于出售 iPhone 前应该做的 5 件事(5 things you should do before selling your iPhone)的帖子。
创建 Mac 的备份(Create a Backup Of Your Mac)
在出售Mac(Mac)之前，您要做的第一件事就是创建完整备份。这样，当您获得一台新Mac时，只需单击几下即可轻松恢复所有数据。
您的Mac可让您使用多种方式备份文件。你们中的大多数人会更喜欢Time Machine 方法(the Time Machine method)，因为它内置于 macOS 中，并且是一种非常简单的备份方法。
使用 Time Machine 进行 Mac 备份(Make a Mac Backup Using Time Machine)
- 将您的外部驱动器插入您的Mac，该驱动器将用于存储您的Mac文件。
- 单击(Click)菜单栏中的Time Machine图标，然后选择Time Machine Preferences 选项(Time Machine Preferences)。
- 当它打开时，单击选择备份磁盘(Select Backup Disk)以选择您的磁盘。
- 单击(Click)列表中的磁盘，然后单击底部的使用磁盘按钮。(Use Disk)
- 要开始为您的机器创建备份，请单击菜单栏中的Time Machine图标并选择(Time Machine)立即备份(Back Up Now)。
当备份准备就绪时，您会收到通知。
将您的 Mac 备份到 iCloud(Backup Your Mac to iCloud)
备份文件的另一个选项是使用 iCloud 等服务。这将使您可以在任何支持 iCloud 的设备上恢复文件。
- 启动Finder窗口，然后单击左侧边栏中的iCloud Drive。
- 打开另一个Finder窗口，然后将要备份的所有文件拖到打开的第一个窗口中。
您需要等到它完成将文件上传到 iCloud Drive。
在 iTunes 应用程序中取消对 Mac 的授权(Deauthorize Your Mac In The iTunes App)
如果您仍在使用具有 iTunes 应用程序的 macOS 版本，则需要在该应用程序中取消对Mac的授权。它告诉 iTunes 您将不再在此设备上使用该应用程序。
- 在Mac(Mac)上使用您喜欢的方式启动iTunes应用程序。
- 单击顶部的帐户菜单，选择(Account)授权(Authorizations)，然后单击取消授权此计算机(De-authorize This Computer)。
- 它会提示您输入您的Apple ID登录信息。输入(Enter)您的用户名和密码，然后单击取消授权(De-authorize)。
在 Mac 上注销 iCloud(Log Out Of iCloud On Your Mac)
您还需要禁用“查找我的 Mac”(Find My Mac)并退出您的 iCloud 帐户。
- 单击(Click)左上角的Apple标志，然后选择(Apple)System Preferences。
- 在以下屏幕上单击iCloud以管理您的 iCloud 设置。(iCloud)
- 取消选中“查找我的 Mac(Find My Mac) ”框以禁用该功能。
- 单击左侧边栏中的“退出”按钮以退出(Sign Out)Mac上的 iCloud 帐户。
- 当它询问您是否要在Mac上保留 iCloud 数据的副本时，请选择保留副本(Keep a Copy)。无论如何，您将在以下部分之一中擦除您的驱动器。
注销 iMessage(Log Out Of iMessage)
在出售您的 Mac 之前，您要做的另一件事是在您的Mac上退出 iMessage 服务。
- 单击Dock 中的Launchpad，搜索Messages，然后单击它。
- 当它打开时，单击顶部的Messages菜单并选择(Messages)Preferences。
- 选择“帐户(Accounts)”选项卡以查看您的帐户列表。然后在左侧边栏中单击您的 iMessage 帐户，然后从右侧窗格中选择注销。(Sign Out)
删除配对的蓝牙设备(Remove Paired Bluetooth Devices)
如果您的Mac(Mac)上保存了任何蓝牙(Bluetooth)设备，您也需要清除它们。
- 单击(Click)菜单栏中的蓝牙图标，然后选择(Bluetooth)打开蓝牙首选项(Open Bluetooth Preferences)。
- 右键单击您的每个设备，然后选择删除(Remove)。它将从列表中删除该设备。
在 Mac 上禁用 FileVault(Disable FileVault On Your Mac)
您想通过禁用FileVault来解密磁盘内容。
- 单击(Click)顶部的Apple标志并选择(Apple)System Preferences。
- 单击安全和隐私(Security & Privacy)选项。
- 选择FileVault选项卡，然后单击关闭 FileVault(Turn Off FileVault)。
注销您的其他帐户(Log Out Of Your Other Accounts)
您可能还想退出其他帐户，例如Google Drive、Dropbox、Skype和其他应用程序。
在大多数应用程序中找到退出选项应该很容易，您只需单击该选项即可。
擦除你的 Mac 驱动器(Wipe Off Your Mac Drive)
出售Mac(Mac)之前最重要的事情是删除驱动器上的所有内容，(delete all the contents on your drive)这样新买家就无法访问您的任何数据。您需要从Mac上的恢复模式执行此操作。
- 重新启动Mac并在(Mac)Mac开始启动时按住Command + R键。
- 从屏幕上可用的选项中选择磁盘工具。(Disk Utility)
- 选择您的主Mac硬盘驱动器，然后单击工具栏中的-（减号）符号。继续删除驱动器。
- 选择主Mac硬盘驱动器，然后单击顶部的擦除选项。(Erase)
- 输入驱动器的名称，然后单击Erase。它将开始擦除您的磁盘内容。
在 Mac 上重新安装 macOS(Reinstall macOS On Your Mac)
最后，您想在 Mac 上安装新版本的 macOS 。(install a fresh version of macOS)
- (Boot)当您的Mac在启动屏幕上时，按Command + R将您的Mac启动到恢复模式。
- 选择在屏幕上重新安装 macOS 。(Reinstall macOS)
- 安装 macOS 后，按Command + Q并关闭Mac。不要继续配置它，以便新买家可以使用他们的帐户进行设置。
您的 Mac 现在可以出售了。
9 Things To Do Before Selling Your Mac
If you’re planning to sell your Mac, you probably don’t wаnt the buyer to have aсcess to your data and informаtion available on your machine. Therefore, you’ll need to get rid of your data stored on your Mac bеfore you give іt away.
This erase procedure includes removing your data from your Mac and ensuring all of your accounts are completely deauthorized. This way, the new owner of your Mac won’t have access to any of your data and they won’t be able to restore anything either.
They’ll then be able to set up the Mac with their account and data. The following article outlines the nine things you’d do before selling your Mac. Also, be sure to check out our previous post on the 5 things you should do before selling your iPhone.
Create a Backup Of Your Mac
The first thing you’ll want to do before selling your Mac is to create a full backup. This way, when you get a new Mac, you can easily restore all of your data with a few clicks.
Your Mac lets you back up your files using various ways. Most of you will prefer the Time Machine method as it’s built right into macOS and is a pretty easy way to make backups.
Make a Mac Backup Using Time Machine
- Plug in your external drive to your Mac which will be used to store your Mac files.
- Click on the Time Machine icon in your menu bar and choose the option that says Time Machine Preferences.
- When it opens, click on Select Backup Disk to choose your disk.
- Click on your disk in the list and then hit the Use Disk button at the bottom.
- To start creating a backup of your machine, click on the Time Machine icon in the menu bar and select Back Up Now.
You’ll be notified when the backup is ready.
Backup Your Mac to iCloud
Another option to backup your files is to use a service like iCloud. This will let you restore your files on any device that supports iCloud.
- Launch a Finder window and click on iCloud Drive in the left sidebar.
- Open another Finder window and drag all the files you want to backup over to the first window you opened.
You’ll need to wait until it finishes uploading your files to the iCloud Drive.
Deauthorize Your Mac In The iTunes App
If you’re still on a macOS version that has the iTunes app, you’ll need to deauthorize your Mac in the app. It’s telling iTunes you won’t be using the app on this device anymore.
- Launch the iTunes app using your preferred way on your Mac.
- Click on the Account menu at the top, select Authorizations, and click on De-authorize This Computer.
- It’ll prompt you to enter your Apple ID logins. Enter in your username and password and click on De-authorize.
Log Out Of iCloud On Your Mac
You’ll need to disable Find My Mac and sign out of your iCloud account as well.
- Click on the Apple logo at the top-left corner and select System Preferences.
- Click on iCloud on the following screen to manage your iCloud settings.
- Untick the box that says Find My Mac to disable the feature.
- Click on the Sign Out button in the left sidebar to sign out of your iCloud account on your Mac.
- When it asks if you’d like to keep a copy of your iCloud data on your Mac, select Keep a Copy. You’ll be erasing your drive in one of the below sections anyway.
Log Out Of iMessage
Another thing you’ll want to do before selling your mac is to log yourself out of the iMessage service as well on your Mac.
- Click on Launchpad in the Dock, search for Messages, and click on it.
- When it opens, click on the Messages menu at the top and select Preferences.
- Select the Accounts tab to view your accounts list. Then click on your iMessage account in the left sidebar and select Sign Out from the right-hand side pane.
Remove Paired Bluetooth Devices
If you have any Bluetooth devices saved on your Mac, you want to clear them up as well.
- Click on the Bluetooth icon in the menu bar and select Open Bluetooth Preferences.
- Right-click on each of your devices and select Remove. It’ll remove the device from the list.
Disable FileVault On Your Mac
You want to decrypt your disk contents by disabling FileVault.
- Click on the Apple logo at the top and select System Preferences.
- Click on the Security & Privacy option.
- Select the FileVault tab and click on Turn Off FileVault.
Log Out Of Your Other Accounts
You may want to sign out of your other accounts such as Google Drive, Dropbox, Skype, and other apps as well.
Finding the sign-out option in most apps should be easy and all you need to do is click on that option and you’re all set.
Wipe Off Your Mac Drive
The most important thing to do before selling your Mac is to delete all the contents on your drive so the new buyer can’t access any of your data. You’ll need to do this from the recovery mode on your Mac.
- Restart your Mac and press and hold down Command + R keys when your Mac starts to boot up.
- Select Disk Utility from the options available on your screen.
- Choose your main Mac hard drive and click on the – (minus) sign in the toolbar. Proceed to delete the drive.
- Select the main Mac hard drive and click on the Erase option at the top.
- Enter a name for your drive and click on Erase. It’ll start erasing your disk contents.
Reinstall macOS On Your Mac
Finally, you want to install a fresh version of macOS on your Mac.
- Boot your Mac into the recovery mode by pressing Command + R while your Mac is on the boot screen.
- Select Reinstall macOS on your screen.
- When the macOS is installed, press Command + Q and turn off your Mac. Do not proceed to configure it so the new buyer can set it up with their account.
Your Mac is now ready to be sold.
