Fix sound or audio problems in Windows - Microsoft Support
Fix your audio drivers. Hardware problems can be caused by outdated or malfunctioning drivers. Make sure your audio driver is up to date and update it if needed. If that doesn't work, try uninstalling the audio driver (it will reinstall automatically).
Use the System File Checker tool to repair missing or corrupted system ...
If some Windows functions aren't working or Windows crashes, use the System File Checker to scan Windows and restore your files. Though the steps below might look complicated at first glance, just follow them in order, step-by-step, and we’ll try to get you back on track.
Block or remove a bot in Microsoft Teams - Microsoft Support
Block or remove a bot in Microsoft Teams. To stop a bot from participating in a one-on-one chat, first find the chat name in your chat list, then click More options > Mute. If you want to remove a bot entirely from a channel, find the channel name, then click More options > Manage team.
Applies To: Microsoft Teams
Play, share, and download a meeting recording in Microsoft Teams
Select the Files or Shared tab in the meeting chat, channel, or meeting in calendar. Find and select the file. Select More options > Download . Only the meeting organizer can download the recording. To learn more about editing transcript permissions, see Edit or delete a meeting transcript in Microsoft Teams .
Applies To: Microsoft Teams
Request a refund for digital games | Xbox Support
Help with giving digital games as gifts. Note that if you purchased content that isn’t working, check the Xbox status page for any issues that may prevent you from playing, and try troubleshooting the problem before making a request for a refund: Xbox status. Troubleshoot game issues on Xbox.
Create installation media for Windows - Microsoft Support
You can use installation media (a USB flash drive or DVD) to install a new copy of Windows, perform a clean installation, or reinstall Windows. To create installation media, go to the software download website, where you'll find step-by-step instructions.
Chat with a bot in Microsoft Teams - Microsoft Support
Chat with the bot and use it to assign tasks, reminders, or whatever task the bot assists with. To chat with a bot in Microsoft Teams, start a new chat and put the name of the bot in the To field.
Applies To: Microsoft Teams
Download drivers and firmware for Surface - Microsoft Support
Manually update Surface drivers and firmware. Manual updates are useful if you need to update an offline device, update many devices that are all the same model, or if you’re creating system images for your organization.
尝试启动 Xbox Games 游戏时出现错误 0x803f800b
解决方案 1:查看您的付款信息. 如果你的付款信息不正确,必须更新该信息才能继续使用 Xbox 订阅。. 按控制器上的 Xbox 按钮 以打开导航页,然后转到“档案和系统”。. 选择 设置 > 账户 > 订阅。. 选择你的订阅之一。. 在“付款和账单”下,选择“更改支付 ...
Contact Us - Microsoft Support
Get help and support, whether you're shopping now or need help with a past purchase. Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.