Cast to a display from a Windows PC. You can wirelessly connect your PC to a TV, projector, or other kind of external display that supports Miracast. Turn on your TV, projector, or other display. If you're using a Miracast dongle or adapter, make sure it's plugged in to the display.

TPM 2.0 is used in Windows 11 for a number of features, including Windows Hello for identity protection and BitLocker for data protection. In some cases, PCs that are capable of running TPM 2.0 are not set up to do so. If you are considering upgrading to Windows 11, check to ensure TPM 2.0 is enabled on your device.

See plans and pricing. Find help and support content for Microsoft Phone Link. Learn time-saving tips and explore how you can use Phone Link to stay productive.

You may need to contact your internet service provider (ISP) to resolve this issue. For example, you may need to ask your ISP to replace a defective modem, verify the settings on your modem, or check your connection speed. In addition, not all ISPs use the same network layout, protocols, and processes.

Check the Xbox services, games, and apps for any service outages.

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.

以下介绍了如何为个别网站永久允许或阻止 Flash：. 转到“设置及更多” >“设置” 。. 在左侧导航中，选择 " 网站权限 "。. 在 " 网站权限 " 中，选择 " Adobe Flash "。. 在 运行 Flash 选项之前 为 "提问" 设置 "切换"。. 访问使用 Flash 的站点后，“阻止”和“允许 ...

Xbox Support offers help for Xbox, Game Pass, and billing questions. Get advice and customer service in the Xbox Support community.

Use linked data types to track and analyze stock data. Or analyze trends based on geographical locales. Explore stocks & geography in Excel. Find Microsoft Excel help and learning resources. Explore how-to articles, guides, training videos, and tips to efficiently use Excel.

Get the latest Xbox support information and updates for your console, games, and apps. See if there are any service outages or issues affecting your Xbox experience.