检查电缆（对于有线打印机）。确保打印机的 USB 电缆已从打印机正确连接到你的电脑。 如果未识别 USB，请参阅自动诊断和修复 Windows USB问题。. 检查无线连接（对于无线打印机）。

Internet Explorer 11 支持已于 2022 年 6 月 15 日结束。 切换到 Microsoft Edge 以实现更快、更安全、更现代的 Web 浏览体验。

Select the View tab and, in Advanced settings, select Show hidden files, folders, and drives and OK.

In the search box on the taskbar, type Create a restore point, and select it from the list of results.

如何提供反馈？ 如果遇到任何问题或对微软输入法有任何建议，请通过反馈中心向我们提供反馈。 可以在上下文菜单中从"发送反馈"打开反馈中心 (右键单击) 通知区域中 ime 模式图标的菜单或单击此处。 你的反馈将直接发送给我们致力于改进输入法的工程师。

Tech support scams are an industry-wide issue where scammers use scare tactics to trick you into unnecessary technical support services to supposedly fix device or software problems that don't exist. At best, the scammers are trying to get you to pay them to "fix" a nonexistent problem with your device or software.

Find Microsoft Excel help and learning resources. Explore how-to articles, guides, training videos, and tips to efficiently use Excel.

Microsoft Edge 是唯一一个允许你直接在网页上做笔记、书写、涂鸦和突出显示的浏览器。 然后，你可以按所有常用方式保存和共享你的作品。

Choose Open all, or Open all in new window, or Open all in new InPrivate window.

To increase security and performance, Windows 11 in S mode only runs apps from the Microsoft Store. If you want to install an app that isn't available in the Microsoft Store, or if you have Windows 10 Pro, Enterprise, or Education and want to upgrade to Windows 11, you'll need to permanently switch out of S mode.