Learn how to update or reinstall device drivers, such as USB drivers, in Windows 11 or 10 using Device Manager. Follow the steps to search for updated driver software or uninstall and reinstall the driver.

Learn how to access your Outlook.com or Hotmail email account with your Microsoft Account username and password. Find solutions for common sign-in problems, such as unusual activity, account troubleshooter, and browser settings.

Find self-help options and live chat with a Microsoft specialist for Microsoft 365, Office, Windows, Xbox, Surface devices and more. Sign in to get the right help and support for your product.

Learn how to access your Hotmail or Outlook.com email account with your Microsoft Account password. Find troubleshooting tips, service status, and help options if you have problems signing in.

检查以太网连接状态。 它应在以太网网络连接下显示“你已连接到 Internet”。 如果一根以太网电缆不起作用，并且附近有其他以太网电缆，请尝试其他以太网电缆，看看是否正常工作。 如果可以正常工作，则可能是第一根电缆有问题。

Find out how to get help for your Microsoft 365 or Office product, depending on whether you have a subscription or a one-time purchase. Compare the support options for different versions, products, and services, and learn how to contact a technical support expert.

Learn how to access and manage a shared mailbox in Outlook for Microsoft 365, Outlook 2024, Outlook 2021, or Outlook on the web. A shared mailbox lets a group of users monitor and send email from a public alias, and also share a calendar and a contact list.

Learn how to update your security verification methods for your work or school account, such as Microsoft Authenticator app, app passwords, and trusted devices. To disable MFA, you need to sign out of all your devices and follow the steps to turn off two-factor verification.

Learn how to protect your account from unauthorized access by signing out from all of your trusted devices within 24 hours. Follow the steps to sign out from browsers, apps and Xbox console using your Microsoft account security dashboard.

提示: 登录时，如果你希望下次直接进入你的邮箱，请在“保持登录?”提示中选择“是”（对于共享计算机，不建议这样做）。 或者，选中“不再显示此内容”框，然后选择“否”，以便每次都提示你输入密码。 如果无法登录，或者忘记了用户名或密码，请使用登录疑难解答。