To open Internet Explorer, select the Start button, type Internet Explorer, and then select the top search result. To be sure you have the latest version of Internet Explorer 11, select the Start button, select Settings > Update & security > Windows Update, and then select Check for updates. Internet Explorer 11 support ended on June 15, 2022.

First, try checking your hardware. Try using a different USB port on your PC. If you use a USB hub between the device and the PC, make sure the hub has power. If it’s still not working, try removing the USB hub and plugging the device directly into a USB port on the PC. Make sure that the cables on your device aren't damaged in any way.

打开或关闭 Windows 安全中心. Security Windows 10. 当在新设备中首次启动 Windows 10 时，设备上已安装的防病毒保护程序即是你的默认安全应用。. 但是，Windows 安全中心已预安装并可随时使用。. 如果你想要使用 Windows 安全中心，可卸载其他所有防病毒程序，Windows 安全 ...

What is: Multifactor Authentication. When you sign into your online accounts - a process we call "authentication" - you're proving to the service that you are who you say you are. Traditionally that's been done with a username and a password. Unfortunately, that's not a very good way to do it. Usernames are often easy to discover; sometimes ...

确保希望共享的其他设备已与你的电脑配对、已打开并且可以接收文件。 了解如何配对。 在电脑上，选择“开始” >“设置” >“设备”>“蓝牙和其它设备”。 在“蓝牙和其他设备”设置中，选择“通过蓝牙发送或接收文件 ...

使用语音键入来说话，而不是在电脑上键入. 通过语音键入，可以通过说话在电脑上输入文本。. 语音键入使用由 Azure 语音服务提供支持的联机语音识别。. 使用听写将语音转换为 WINDOWS 电脑上任意位置的文本。.

Change screen orientation. Windows 11 Windows 10. Windows 11 Windows 10. Select the Start button, then type settings. Select Settings > System > Display, and choose a screen orientation from the drop-down list next to Display orientation. Change screen orientation. Use the Settings app in Windows to change screen orientation.

打开 Internet Explorer，依次选择“工具”按钮 和“Internet 选项”。. 在“常规”选项卡上的“主页”下，输入你要设置为主页的站点的 URL。. 你可以添加多个 URL，或通过选择“使用当前页”添加你当前正在查看的站点。. 如果添加多个 URL，请将每个 URL 放在单独的 ...

将 PDF 内容插入到演示文稿中，作为在幻灯片上显示的图片，或者作为幻灯片放映期间可以打开的文档。 当屏幕显示白色“磨砂”外观且指针变为十字型时 ，拖动指针，在需要剪辑的内容周围绘制一个方框。(按 Esc 键取消屏幕剪辑过程。

Select the cell in the worksheet where you want the drop-down list. Go to the Data tab on the Ribbon, and then Data Validation. Note: If you can’t select Data Validation, the worksheet might be protected or shared. Unlock specific areas of a protected workbook or stop sharing the worksheet, and then try step 3 again.