在 Excel 中将 IF 与 AND、OR 和 NOT 函数配合使用. 在 Excel 中，IF 函数允许通过测试某个条件并返回结果（如果该条件为 True 或 False），在值和预期值之间进行逻辑比较。. 但如果需要测试多个条件，例如我们假设所有条件都需要为 True 或 False ( AND )，或只有一个条件 ...

If you want to change multiple aspects of the taskbar at one time, use Taskbar settings. Press and hold (or right-click) any empty space on the taskbar, and then select Taskbar settings. In the Taskbar settings, scroll to see the options for customizing, choosing icons, and much more. Note: The Taskbar settings allow you to align taskbar icons ...

Select Start , and then select Power > Hibernate. Press the Windows logo key + X on your keyboard, and then select Shut down or sign out > Hibernate. Note: If devices connected to your PC (like monitors, printers, or scanners) aren't working properly after waking up from sleep or hibernate, you might need to disconnect and reconnect your device ...

Securely browse the web in Microsoft Edge. With online threats getting more advanced day by day, it is important to prioritize the safety of your web browsing. Microsoft Edge offers several features and practices that can enhance your online security and protect your personal information. Follow these guidelines to browse the web securely in ...

Argument name. Description. lookup_value (required). The value you want to look up. The value you want to look up must be in the first column of the range of cells you specify in the table_array argument. For example, if table-array spans cells B2:D7, then your lookup_value must be in column B.. Lookup_value can be a value or a reference to a cell.. table_array (required)

In the search box on the taskbar, type device manager, then select Device Manager from the menu.

To create installation media, go to the software download website, where you'll find step-by-step instructions. On that website, you can select a version of Windows and create your own installation media using either a USB flash drive or a DVD. To go directly to one of the versions, select one of these links: Windows 10 (Then select Download now.)

Open the Camera in Windows. To open up your webcam or camera, select the Start button, then select All apps, and then select Camera in the list of apps. If you have multiple cameras, you can switch between them by selecting Change Camera at the top right once the Camera app is opened. Open Camera.

This troubleshooter assists customers whose machines are not yet updated to the latest release, Windows 10 Version 1607. This update will initially be released only to a small set of targeted customers. This set will expand over time. Windows users can start the assistant from this article.

Select Start > All apps and search for the app in the list shown. Press and hold (or right-click) on the app, then select Uninstall. Uninstall in Settings. Select Start > Settings > Apps > Apps & features . Find the app you want to remove, select More > Uninstall. Note: Some apps can't be uninstalled from the Settings app right now.