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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.
Open Device Manager - Microsoft Support
Open Device Manager. In the search box on the taskbar, type device manager, then select Device Manager from the menu. Was this information helpful?
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 Hardware problems can be caused by outdated or malfunctioning drivers.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).
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.
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
Which version of Windows operating system am I running?
Find operating system info in Windows 11. To find out which version of Windows your device is running, press the Windows logo key + R, type winver in the Open box, and then select OK. Here’s how to learn more: Select Start > Settings > System > About . Open About settings.
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.
How to use the PC Health Check app - Microsoft Support
PC Health Check app brings you up to date info on your Windows device health, helping you take action to improve your device performance and troubleshoot performance problems. It is periodically updated based on customer feedback to help you make the most of your Windows PC. How to open PC Health Check. In Windows, use Search on the taskbar to ...
从 USB 设备启动 Surface - Microsoft 支持
从 USB 设备启动不会刷新或重置你的 Surface。. 相反,它让可以你使用 Windows 或 USB 设备上的其他操作系统启动 Surface。. 有关如何为 Surface 创建可启动 USB 驱动器的信息,请参阅 为 Surface 创建和使用 USB 恢复驱动器 。. 若要下载 Surface 设备的恢复映像,请参阅 Surface ...
Msconfig 启动选择从正常启动还原为选择性启动 - Microsoft 支持
如果在 Msconfig 的 "高级疑难解答设置" 对话框中选择任一选项,则 " 正常启动 " 选项将恢复为 " 选择性启动 "。 解决方案 若要使用 " 正常启动 " 选项,请清除 " 高级疑难解答设置 " 对话框中的所有复选框。