选择 "开始>设置>系统 > 声音"。. 在 "输入 "中，选择麦克风以查看其属性。. 在 "输入 音量"中，确保对着麦克风讲话时蓝色条形会进行调整。. 如果没有，请转到"测试 麦克风"和 " 开始测试"。. 这将帮助你排查麦克风的任何问题。. 如果麦克风功能出现问题，则 ...

Install a custom font you have downloaded. Once you've downloaded the font you want to install you need to install it in the operating system. Once the font is properly installed in the operating system Microsoft Office will be able to see and use it. For detailed instructions select the operating system you're using from the drop-down box below.

在Windows 11电脑上启用虚拟化. 虚拟化可让你的电脑模拟不同的操作系统，例如 Android™ 或 Linux。. 通过启用虚拟化，你可以访问更大的应用库，以便在电脑上使用和安装。. 如果你在电脑上从Windows 10升级到Windows 11，这些步骤将帮助你启用虚拟化。. 注意: 许多 ...

如果运行的是 Windows 10、Windows 8.1 或 Windows 8，请先运行收件箱部署映像服务和管理 (DISM) 工具，然后再运行系统文件检查器。. (如果运行的是 Windows 7 或 Windows Vista，请跳到步骤 3.) 键入以下命令，然后按 Enter： 完成命令操作可能需要几分钟时间。. DISM.exe /Online ...

You can use the LEFT, MID, RIGHT, SEARCH, and LEN text functions to manipulate strings of text in your data. For example, you can distribute the first, middle, and last names from a single cell into three separate columns. The key to distributing name components with text functions is the position of each character within a text string.

简介. Microsoft .NET Framework修复工具检测影响 Microsoft .NET Framework 安装或更新的常见问题。. 该工具尝试通过应用已知修补程序或修复受支持的.NET Framework版本的损坏安装来解决这些问题。. 该工具具有易于使用的基于向导的用户界面 (UI) 。. 它还支持命令行使用以及 ...

Get help with signing in, locked or compromised accounts, linked accounts, closing, reopening, and updating your security info and account profile. Get Microsoft account help. Manage your personal account from a single dashboard, including payment information, purchases, subscriptions, and more. Go to your dashboard.

To go to Delve, select Delve in the app launcher in Microsoft 365, or open delve.office.com in your browser. Sign in with your work or school account if necessary. Click someone’s name or picture anywhere in Delve to see documents they’re working on or to learn more about them. When you find a document you’re interested in, add it as a ...

Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.

Right click the network icon in the right side of the taskbar and select Diagnose network problems or open Get Help for Network & Internet. Make sure Wi‑Fi is turned on. Select the No internet icon on the right side of the taskbar, and make sure Wi-Fi is turned on. If it isn't, select it to turn it on. Also, make sure Airplane mode is turned off.