Things to try first. Try these things first to help you fix or narrow down the connection problem. Run Get Help to troubleshoot and fix common connection problems. Right click the network icon in the right side of the taskbar and select Diagnose network problems or open Get Help for Network & Internet

RAM. 16 GB (recommended) Storage type. Solid State Drive or SSD (recommended) Processor architecture. x64 or ARM64. Virtual Machine Platform. This setting needs to be enabled.

If you can't find a file on your computer or you accidently modified or deleted a file, you can restore it from a backup (if you're using Windows backup) or you can try to restore it from a previous version.Previous versions are copies of files and folders that Windows automatically saves as part of a restore point.

In the search box on the taskbar, type device manager, then select Device Manager from the menu.

Learn how to remove malware from your PC. Use Microsoft Defender Antivirus in Windows 10 or Windows 11 to scan your PC for malware, viruses, or other threats.

Learn how to install the latest version of DirectX to enable games and multimedia applications on your system.

Test your camera with the Camera app. Select Start , then choose Camera from your apps. If you're asked to allow access to the Camera, select Yes.If the camera works in the Camera app, the problem might be with the app you're trying to use.

Find operating system info in Windows 8.1 or Windows RT 8.1. To find out which version of Windows your device is running, press the Windows logo key key + R, type winver in the Open box, and then select OK.. If your device is running Windows 8.1 or Windows RT 8.1, here’s how to learn more:

If you want to give access to desktop apps, make sure that Let desktop apps access your microphone is turned on.You can't turn off microphone access for individual apps. Others can't hear me. Try the following solutions:

使用 vlookup、hlookup 和其他函数（如 index 和 match）根据您输入的值搜索和查找数据。 本文将让您快速回顾 vlookup，然后链接到更多内容。