如果你的电脑没有以太网端口，但你想要尝试此选项，则可以考虑获取 USB 到以太网适配器。 请改为连接到手机网络 。 如果你的电脑具有 SIM 卡 插槽或内置 eSIM，请尝试使用电脑连接到手机网络，并查看是否可以以这种方式获取 Internet 连接。

提示: 可以使用任何电话号码来请求安全代码。 电话号码不需要与你的帐户关联。 手机不需要是智能手机，也不需要连接互联网，只需要能够接收短信。 你可能需要创建新密码。 阅读有关如何创建强密码的提示。 如果看到“该Microsoft帐户不存在”错误消息，请使用 Microsoft 帐户登录帮助程序。

连接问题可能出于各种原因—网站、设备、Wi-Fi 路由器、调制解调器或 Internet 服务提供商 (ISP) 出现问题。 请尝试以下步骤以帮助缩小问题的根源。 如果任务栏右侧显示“已连接 Wi-Fi”图标，请访问其他网站。 如果网站已打开，则特定网站可能存在问题。

Tips: While signing in, select Yes at the "Stay signed in?" prompt if you want to go straight to your mailbox next time (not recommended for shared computers). Alternatively, check the "Don't show this again" box and select No to be prompted for your password each time.. If you can't sign in, or have forgotten your username or password, use our sign-in troubleshooter.

Tips: While signing in, select Yes at the "Stay signed in?" prompt if you want to go straight to your mailbox next time (not recommended for shared computers). Alternatively, check the "Don't show this again" box and select No to be prompted for your password each time.. If you can't sign in, or have forgotten your username or password, use our sign-in troubleshooter.

Learn how to sign in or out of your Outlook.com, Hotmail, Live, or MSN email account with Microsoft Support's step-by-step guide.

Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

To create the installation media, here's what you'll need: A PC with a reliable internet connection. The download time will vary, depending on your internet connection.

How to open PC Health Check. In Windows, use Search on the taskbar to search for PC Health Check, then select it from the list of results.. If a PC Health Check update is available, you can quickly install it for the latest version.

A theme is a combination of desktop background pictures, window colors, and sounds. Get a theme. To get a theme, expand one of the categories below, select a link for the theme, and then select Open.This saves the theme to your PC and puts it on your desktop.