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。

To open the On-Screen Keyboard. Go to Start , then select Settings > Accessibility > Keyboard, and turn on the On-Screen Keyboard toggle. A keyboard that can be used to move around the screen and enter text will appear on the screen. The keyboard will remain on the screen until you close it. Note: To open the OSK from the sign-in screen, select ...

Turn password saving on or off. Select Settings and more > Settings . Select Profiles > Passwords > Settings . Under Passwords, set Offer to save passwords to On or Off as desired. Note: Turning off password saving doesn't delete previously saved passwords.

在家用路由器上. 請先嘗試這些方法以協助修正問題，或縮小連線問題的範圍。 檢查乙太網路纜線和連線。請確定乙太網路纜線已安全地插入路由器和 Windows 11 電腦上的乙太網路連接埠。

使用产品密钥激活 Windows. 产品密钥是由 25 个字符组成的代码，如下所示：. 产品密钥：XXXXX-XXXXX-XXXXX-XXXXX-XXXXX. 在安装期间，系统会提示你输入产品密钥。. 或者，安装后，若要输入产品密钥，请选择“ 开始 ”按钮，然后选择 “设置 > 系统 > 激活 > 更新产品密钥 ...

Select the Network icon on the right side of the taskbar, and then move the Brightness slider to adjust the brightness. (If the slider isn't there, see the Notes section below.) Some PCs can let Windows automatically adjust screen brightness based on the current lighting conditions. To find out if your PC supports this, select Settings > System ...

Windows 업그레이드 도우미의 진행률이 4시간 넘게 99%에서 멈춰 있으면 다음과 같이 해 보세요. 참고: PC를 다시 시작하기 전에 다음 단계를 수행합니다.그러지 않으면 미디어 폴더를 사용하지 못할 수 있습니다.

Windows 10. Depending on your hardware, you may use the Windows Logo Key + PrtScn button as a shortcut for print screen. If your device does not have the PrtScn button, you may use Fn + Windows logo key + Space Bar to take a screenshot, which can then be printed. To locate your screenshots, open File Explorer from the taskbar. On the side ...

On keyboards with an Fn key, hold down Fn and press the key to use the alternate commands. Tips. You can also press and hold Fn while moving your finger up and down on the navigation pad to scroll within a document. You can press and hold Fn while pressing keyboard letters M, J, K, L, U, I, O, P, /, ;, and 0 to match the physical layout of a ...

使用“自动填充”功能，在单元格中填充采用了某种模式的数据或基于其他单元格中的数据填充此单元格。. 注意: 本文介绍如何将值自动填充到其他单元格。. 不介绍如何 在多个工作表中手动或同时输入数据 。. 在Mike Girvin 的 YouTube 频道 ( excelisfun) 上查找更多 ...