如果上述步骤都不能修复你的蓝牙问题，请使用 Windows 反馈中心报告错误。 这可帮助 Microsoft 确定此问题的根本原因。

Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.

当在新设备中首次启动 Windows 10 时，设备上已安装的防病毒保护程序即是你的默认安全应用。但是，Windows 安全中心已预安装并可随时使用。

Set backgrounds for desktops. You can also choose different backgrounds for each desktop if you're using a picture. If you're using a solid color or a slideshow, all your backgrounds will be the same.

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Microsoft 365 Basic just got better. Microsoft 365 Basic now comes with 100GB of cloud storage, secure photo and file storage, secure ad-free email, and technical support.

Compress the file. When you compress, or zip, your file, it decreases its size, and it might decrease it enough to fit within the Outlook size limits for attachments.The following articles describe how to compress and extract files for different Windows operating systems.

Summary. This article describes how to change keyboard layouts for the Microsoft keyboards listed in the "Applies To" section. You can configure your keyboard to use a different language or keyboard layout, such as Canadian Multilingual, Spanish, or United States-Dvorak.

Focused Inbox. Focused Inbox helps you focus on the emails that matter most. It separates your inbox into two tabs—Focused and Other. If messages aren't sorted the way you like, you can move them and set where to deliver future messages from that sender.

Microsoft account help and support. Get help with signing in, locked or compromised accounts, linked accounts, closing, reopening, and updating your security info and account profile.