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修复麦克风问题 - Microsoft 支持
麦克风音量过低或似乎完全无法工作. 请尝试以下解决方案:. 确保麦克风或耳机已正确连接到计算机。. 确保麦克风摆放在正确的位置。. 提高麦克风音量。. 下面将了解如何在Windows 11:. 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 ...
如何安装最新版本的 DirectX - Microsoft 支持
DirectX 9.0c 通过安装 DirectX 9.0c 最终用户运行时适用于 Windows XP 和 Windows Server 2003。. 某些应用程序和游戏需要 DirectX 9。 但是,你的计算机包含更新版本的 DirectX。 如果安装并运行需要 DirectX 9 的应用程序或游戏,你可能会收到错误消息“无法启动此程序,因为计算机中丢失 d3dx9_35.dll。
Find your Windows product key - Microsoft Support
Generally, if you bought a physical copy of Windows, the product key should be on a label or card inside the box that Windows came in. If Windows came preinstalled on your PC, the product key should appear on a sticker on your device. If you’ve lost or can’t find the product key, contact the manufacturer. To ensure your product key is ...
Applies To: Microsoft account dashboard
修复 Microsoft Store 应用出现的问题 - Microsoft 支持
如果你使用的是 Windows 11,并在使用 Microsoft Store 中的应用时遇到问题,请考虑这些更新和修复程序。. 首先,登录到你的 Microsoft 帐户 。. 接下来,按照显示的顺序实施这些可能的解决方案。. 确保 Windows 是最新的。. 选择“ 开始 > 设置 ”> Windows 更新 > 检查更新 ...
在 Word 中向页眉或页脚添加页码 - Microsoft 支持
更改页码的显示位置. 在页眉或页脚区域中,选择页码。. 使用 Tab 键将页码左对齐、居中或右对齐。. 如果数字左对齐,请按一次 Tab 键将居中,按两次将右对齐。. 若要返回,请按退格键直到返回到所需位置。.
Applies To: Word for Microsoft 365, Word for Microsoft 365 for Mac, Word for the web, Word 2021, Word 2021 for Mac, Word 2019, Word 2019 for Mac, Word 2016
Installing Microsoft Defender - Microsoft Support
Download Microsoft Defender on your devices either by: Scanning the following QR code. Searching for Microsoft Defender in your app store. Sharing with your devices, the following link: Copy link. We encourage you to install Microsoft Defender on at least five devices per person. Important: This article is about the Microsoft Defender app that ...
Applies To: Microsoft Defender on Android, Microsoft Defender on iOS, Microsoft Defender on Mac, Microsoft Defender on Windows
Update drivers manually in Windows - Microsoft Support
In the search box on the taskbar, enter device manager, then select Device Manager. Select a category to see names of devices, then right-click (or press and hold) the one you’d like to update. Select Search automatically for updated driver software. Select Update Driver. If Windows doesn't find a new driver, you can try looking for one on ...
Open the Camera in Windows - Microsoft Support
Windows 11 Windows 10. To open up your webcam or camera, select the Start button, then select All apps, and then select Camera in the list of apps. If you have multiple cameras, you can switch between them by selecting Change Camera at the top right once the Camera app is opened. Open Camera.
Disk cleanup in Windows - Microsoft Support
Select the drive you want to clean up, and then select OK. Under Files to delete, select the file types to get rid of. To get a description of the file type, select it. Select OK. If you need to free up more space, you can also delete system files: In Disk Cleanup, select Clean up system files. Select the file types to get rid of.
How to sign in to or out of Outlook.com - Microsoft Support
To sign out, go to Outlook.com. Select your account initials or account picture at the top corner of your Inbox. Select Sign out. Tips: If you don't see your picture at the top of screen, check to see if ad blocking is turned on. Sometimes this prevents the picture from showing. If you don't see see Profile or Account options, you can access ...
Applies To: Outlook.com