Change your lock screen background. Windows 10. Go to Settings > Personalization > Lock screen. Under Background, select Picture or Slideshow to use your own picture (s) as the background for your lock screen. Change your lockscreen background. Change your lock screen background.

Use Remote Desktop to connect to the PC you set up: On your local Windows PC: In the search box on the taskbar, type Remote Desktop Connection, and then select Remote Desktop Connection. In Remote Desktop Connection, type the name of the PC you want to connect to (from Step 1), and then select Connect. On your Windows, Android, or iOS device ...

Select the product you need help with. We'll show you self-help options first. Additional help is available if you need it, including live chat with a Microsoft specialist. Microsoft 365. Office. Windows. Xbox. Surface devices. Copilot.

The COUNT function counts the number of cells that contain numbers, and counts numbers within the list of arguments. Use the COUNT function to get the number of entries in a number field that is in a range or array of numbers. For example, you can enter the following formula to count the numbers in the range A1:A20: =COUNT(A1:A20).In this example, if five of the cells in the range contain ...

Select Start > Settings > System > Sound. In Input, select the microphone that you want to test. In Input settings, look at Input volume while speaking into the microphone. If the bar moves while you speak, your microphone is working properly. If don't see the bar moving, go to Test your microphone and select Start test.

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。

Обновление драйвера устройства. В поле поиска на панели задач введите диспетчер устройств, а затем выберите диспетчер устройств . Выберите категорию, чтобы просмотреть имена устройств, а ...

Select Start and type "Windows Security" to search for that app. Select the Windows Security app from the search results, go to Virus & threat protection, and under Virus & threat protection settings select Manage settings. Switch Real-time protection to Off. Note that scheduled scans will continue to run. However, files that are downloaded or ...

テキスト値を上付き文字または下付き文字として書式設定する. これは、視覚的に魅力的な形式でデータを表示する場合に便利です。. 数式、化学式、またはその他の種類の技術式の数値または数式を書式設定するには、 数式の記号とテンプレートを使用し ...

Windows 11 Windows 10. When you're in a conference room and need to project, connect your PC using one of the cable connectors in the room, press the Windows logo key + P, and then choose one of the four options: PC screen only. You'll see everything on your PC. (When you're connected to a wireless projector, this option changes to Disconnect.)