Fix sound or audio problems in Windows - Microsoft Support
If the Get Help app is unable to resolve your sound or audio issue, try the possible solutions listed: 1. Check your speaker output. 2. Run the audio troubleshooter. 3. Verify that all Windows Updates are installed. 4. Check your cables, plugs, jacks, volume, speaker, and headphone connections.
在 Excel 中将 IF 与 AND、OR 和 NOT 函数配合使用 ...
在 Excel 中，还可以使用 AND、OR 和 NOT 通过公式选项设置条件格式条件。. 这样做可以省略 IF 函数，并可以独立使用 AND、OR 和 NOT。. 在 Excel 的“ 开始 ”选项卡中，单击“ 条件格式”>“新建规则 ”。. 接下来，选择“ 使用公式确定要设置格式的单元格 ”选项 ...
适用于:
Microsoft 365 专属 Excel, Microsoft 365 Mac 版专属 Excel, Excel 网页版, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016, Excel Web App, Excel for Windows Phone 10
9 avril 2024 — KB5036892 (builds du système d’exploitation 19044.4291 ...
6 juillet 2021—KB5004946 (Build SE 18363.1646) Hors bande; Préversion du 15 juin 2021—KB5003698 (OS Build 18363.1645) 8 juin 2021— KB5003635 (build du système d’exploitation 18363.1621) Préversion du 20 mai 2021—KB5003212 (OS Build 18363.1593) 11 mai 2021 - KB5003169 (build du système d’exploitation 18363.1556)
9 de abril de 2024: KB5036892 (compilaciones del SO 19044.4291 y 19045. ...
6 de julio de 2021: KB5004946 (compilación del SO 18363.1646) fuera de banda; 15 de junio de 2021: versión preliminar de KB5003698 (compilación del SO 18363.1645) 8 de junio de 2021, KB5003635 (compilación 18363.1621 del SO) 20 de mayo de 2021: versión preliminar de KB5003212 (compilación del SO 18363.1593)
下载并安装或重新安装 Office 2019、Office 2016 或 Office 2013
若要以其他语言安装 Microsoft 365 或安装 64 位版本 ，请使用下拉列表查找更多选项。. 选择所需语言和位版本，然后选择“ 安装 ”。. 现在你已准备好安装 Microsoft 365。. 请在下方选择与你要尝试安装的版本对应的选项卡。. Office 2019 或 2016 for PC Office 2016 for Mac ...
适用于:
Office 2019, Office 2016, Office 2016 for Mac, Office 2013
Finding your BitLocker recovery key in Windows - Microsoft Support
Learn different ways to locate your BitLocker recovery key in Windows, and learn about how BitLocker might have been activated on your system.
Uninstall or remove apps and programs in Windows
Select Start > All apps and search for the app in the list shown. Press and hold (or right-click) on the app, then select Uninstall. Uninstall in Settings. Select Start > Settings > Apps > Apps & features . Find the app you want to remove, select More > Uninstall. Note: Some apps can't be uninstalled from the Settings app right now.
Change screen brightness in Windows - Microsoft Support
Select the Network icon on the right side of the taskbar, and then move the Brightness slider to adjust the brightness. (If the slider isn't there, see the Notes section below.) Some PCs can let Windows automatically adjust screen brightness based on the current lighting conditions. To find out if your PC supports this, select Settings > System ...
创建适用于 Windows 的安装介质 - Microsoft 支持
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，并使用 U 盘或 DVD 创建自己的安装介质。. 要直接转到 ...
Set apps to run automatically when you start your device
Choose the apps that will run when you start your device. Go to Start > Settings > Apps > Startup. For any app in the list, select the toggle to set it to On. If you want to change the advanced settings for that app, select the arrow and make changes as desired. Note: If you see the icon next to the On / Off toggle for an app, you can select it ...