If the Get Help app is unable to resolve your printer issue, try the possible solutions listed: 1. Check to make sure the printer is turned on and connected to the same Wi-Fi network as your device. 2. Unplug and restart your printer. 3. Set your printer as the default printer. 4. Clear the print queue.

Xbox 订阅取消和退款. 你可以随时取消 Xbox 订阅。. 关闭定期计费将停止订阅的未来扣费，并使你在订阅到期之前使用其权益。. 你也可能有资格立即取消并获得退款；但不是所有订阅费用都能退款。. 了解如何在下面的“取消订阅”部分中取消 Xbox 订阅并检查退款 ...

In Outlook, the black color theme includes dark mode, which provides a black background (instead of white) for the message window. You can switch to a white background for the message window if you prefer.

创建适用于 Windows 的安装介质. Windows 10 Windows 8.1 Windows 7. 你可以使用安装介质（U 盘或 DVD）来安装 Windows 的新副本、执行全新安装或重新安装 Windows。. 要创建安装介质，请转到 软件下载网站 ，你可以在这里找到分步说明。. 在该网站上，你可以选择 Windows 版本 ...

Windows 11 Windows 10. Turn on your TV or projector. If you're using a Miracast dongle or adapter, make sure it's plugged in to the display. On your PC, make sure Wi-Fi is turned on. On right side of the taskbar, select the Network icon > Cast > pick your display or adapter. Follow any additional instructions on the screen. Otherwise, you're done.

可以使用“设置”应用配置和管理 Windows Hello。. 在 Windows 设备上的“设置”应用中 ，选择“ 帐户 ”> “登录选项 ”或使用以下快捷方式：. 登录选项. 在 “登录方式” 下，有三种使用 Windows Hello 登录的选项：. 选择“人脸识别 (Windows Hello) ”，使用电脑的红外 ...

Export contacts out of other email services. Export iCloud contacts. Export Gmail contacts – See Gmail help. Export Yahoo contacts – See Yahoo import and export help. Export Thunderbird contacts – See Mozilla support. Find the information you need to import to or exporting from Outlook, whether you're using Office 365, Outlook 2016, or a Mac.

Open File Explorer from the taskbar or the Start menu, or press the Windows logo key + E. Select This PC from the left pane. Then, on the File Explorer ribbon, select More > Map network drive. Note: If you don't see Map network drive on the More menu, you can right-click the This PC node in the folder pane and you'll see the command there.

sum_range Optional.The actual cells to add, if you want to add cells other than those specified in the range argument. If the sum_range argument is omitted, Excel adds the cells that are specified in the range argument (the same cells to which the criteria is applied).. Sum_range should be the same size and shape as range.If it isn't, performance may suffer, and the formula will sum a range of ...

In some editions of Windows 10, it's included as an optional feature that you can enable. To do that, select the Start button, then select Settings > Apps > Apps & features > Manage optional features > Add a feature > Windows Media Player, and select Install. Enable Windows Media Player. DVD playback isn't included.