* Microsoft 365, Surface Pen, and some software and accessories sold separately. [1] Surface Book 2 battery life: Surface Book 2 13.5”: Up to 17 hours of video playback. Testing conducted by Microsoft in October 2017 using preproduction Intel® Core™ i5, 256GB, 8 GB RAM device.

摘要. 本文帮助你将主机文件重置回默认值。 什么是 Hosts 文件. 操作系统使用 Hosts 文件将用户友好的主机名映射到数字 Internet 协议 (IP) 地址，用于标识和定位 IP 网络中的主机。

如果你已在一台设备上加入呼叫，则可以选择同时在另一台设备上加入呼叫。 例如，如果你在笔记本电脑上通话，但手机或平板电脑上有一些你想要共享的内容，这可以派上用场。

INTRODUCTION . Bing Desktop is available for computers that are running Windows 7. Bing Desktop can be installed from the optional updates section in Windows Update.

注意: 如果数据位于 Excel 表中，则“转置”功能不可用。您可以 将 表格 转换为区域 中首先，或可以使用 TRANSPOSE 函数 旋转的行和列。

注意: 如果连接到电脑的设备（例如显示器、打印机或扫描仪）在从睡眠状态或休眠状态唤醒后不能正确工作，你可能需要先断开设备连接并重新连接或重新启动电脑。还应确保你具有适用于所有设备的最新驱动程序。

此疑难解答将为计算机尚未更新至最新版本 Windows 10 版本 1607 的客户提供协助。 此更新最初只会发布给一小组有针对性的客户。 这些客户会随着时间的推移而扩展。 Windows 用户可以从本文启动助手。

Tips for creating an effective presentation. Consider the following tips to keep your audience interested. Minimize the number of slides. To maintain a clear message and to keep your audience attentive and interested, keep the number of slides in your presentation to a minimum.

Optimizations for windowed games improves gaming on your PC by using a new presentation model for DirectX 10 and DirectX 11 games that appear in a window or in a borderless window.

How do I add or subtract Times? You can add and subtract times in a few different ways. For example, to get the difference between 8:00 AM - 12:00 PM for payroll purposes you would use: =("12:00 PM"-"8:00 AM")*24, taking the end time minus the start time.Note that Excel calculates times as a fraction of a day, so you need to multiply by 24 to get the total hours.