安装“无线显示”后，在“设置”的“ 投影到此电脑 ”页上选择“ 返回 ”以管理投影首选项。. 在要’投影到的电脑上，通过在任务栏上的搜索框中输入 “无线显示” 器，然后在结果列表中选择 “无线显示”来启动无线显示 应用。. 注意: 无线显示应用在 ...

这可以达到两个目的 - 帮助你建立 Internet 连接，并帮助你缩小问题的根源范围。. 有关详细信息，请参阅 在 Windows 中连接到 Wi-Fi 网络。. 运行网络命令。. 请尝试运行以下网络命令来手动重置 TCP/IP 堆栈、释放和续订 IP 地址，以及刷新和重置 DNS 客户端解析程序 ...

If you’re working on a Windows PC and want the apps and content from another device to show on your PC screen, you’ll want to consider mirroring that device‘s screen or projecting it to your PC. Note that you’ll need a device that supports Miracast. Here’s how to mirror another screen or project to your PC. Windows 11 Windows 10.

以无线方式将你的电脑连接到电视、投影仪、其他电脑或支持 Miracast 的其他类型外部显示器。. 打开你的电视或投影仪。. 如果你使用的是 Miracast 硬件保护装置或适配器，请确保已将其插入屏幕。. 在电脑上，确保 WLAN 已打开。. 在任务栏右侧，选择"网络"图标 ...

了解如何登录以访问 Outlook.com、Hotmail、Live 或 MSN 电子邮件帐户。.

Install Microsoft 365 2019 or 2016 on a PC. Remember a one-time purchase version of Microsoft 365 is licensed for one install only. Depending on your browser, select Open file (in Edge or Internet Explorer), Setup (in Chrome), or Save File (in Firefox).

Here's some of the things you can do in the PC Health Check app in Windows: Check Windows 11 eligibility. Backup & sync. Windows Update. Battery capacity. Storage capacity. Startup time. See your device specifications. Related topics. Getting ready for the Windows 11 upgrade.

Post questions, follow discussions and share your knowledge in the Outlook.com Community. Hotmail is now Outlook.com. Learn how to sign in to access your Outlook.com, Hotmail, Live, or MSN email account.

AND 和 OR 函数最多可支持 255 个单独条件，但并不建议使用多个条件，因为构建、测试和维护复杂的嵌套公式是非常难的。. NOT 函数仅采用一个条件。. 下面是根据它们的逻辑写出的公式：. 公式. 说明. =IF (AND (A2>0,B2<100),TRUE, FALSE) 如果 A2 (25) 大于 0，并且 B2 (75 ...

In Excel, the IF function allows you to make a logical comparison between a value and what you expect by testing for a condition and returning a result if that condition is True or False. =IF (Something is True, then do something, otherwise do something else)