使用 Microsoft 登录
登录或创建帐户。
你好,
使用其他帐户。
你有多个帐户
选择要登录的帐户。
Fix Bluetooth problems in Windows - Microsoft Support
Here’s how: Check in quick settings: Select the Network, Sound, or Battery icons ( ) on the right side of the taskbar, look for the Bluetooth quick setting, then select Bluetooth to turn it on. You’ll see “Not connected” if your Windows 11 device isn’t connected to any Bluetooth accessories. Check in Settings: Select Start > Settings ...
Contact Us - Microsoft Support
Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.
Update Windows - Microsoft Support
Update Windows. In Windows 11, you decide when and how to get the latest updates to keep your device running smoothly and securely. To manage your options and see available updates, select Check for Windows updates. Or select Start > Settings > Windows Update . Here's some other info you might be looking for:
Change screen brightness in Windows - Microsoft Support
If you don't have a desktop PC and the slider doesn't appear or work, try updating the display driver. Select Search on the taskbar, type Device Manager, and then select Device Manager from the list of results.In Device Manager, select Display adapters, then select the display adapter.Press and hold (or right-click) the display adapter name, then select Update driver and follow the instructions.
Find settings in Windows - Microsoft Support
Find settings in Windows. Find your Windows settings in a snap! Select the Start button, then select Settings . From there, browse the categories or use search to find what you're looking for. Most apps have their own settings. In the app, select Settings to make app-specific changes. Learn how to make Windows easier to see and easier to hear .
Download and install the Microsoft Authenticator app
Set up the Authenticator app. After you install the Authenticator app, follow the steps below to add your account: Open the Authenticator app. Select (+) in the upper right corner. Point your camera at the QR code or follow the instructions provided in your account settings. After your account appears in your Authenticator app, you can use the ...
屏幕镜像和投影到电脑或无线显示器 - Microsoft 支持
你可以以无线方式将电脑连接到电视、投影仪或支持 Miracast 的其他类型的外部显示器。. 打开电视、投影仪或其他显示器。. 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。. 按 Windows 徽标键 + K ,然后从可用设备列表中选择要强制转换为 ...
Office Help & Training
由于此网站的设置,我们无法提供该页面的具体描述。
使用 VLOOKUP、INDEX 或 MATCH 查找值 - Microsoft 支持
VLOOKUP 第一个参数是要查找的值。. 此参数可以是单元格引用,也可以是固定值,例如“smith”或 21,000。. 第二个参数是单元格搜索范围 C2-:E7,VLOOKUP 在其中搜索要查找的值。. 第三个参数是单元格范围内包含所查找值的列。. 第四个参数可选。. 输入 True 或 False ...
适用于: Microsoft 365 专属 Excel, Excel 网页版, Excel 2021, Excel 2019, Excel 2016
Atualize os drivers manualmente no Windows - Suporte da Microsoft
Na caixa de pesquisa da barra de tarefas, digite gerenciador de dispositivos e selecione Gerenciador de Dispositivos. Selecione uma categoria para ver os nomes dos dispositivos e clique com o botão direito do mouse (ou pressione e segure) aquele que você deseja atualizar. Selecione Pesquisar automaticamente software de driver atualizado.