获取有关如何修复 Windows 中的屏幕闪烁问题的提示。 Windows 中的屏幕闪烁问题通常是由显示驱动程序导致的。 若要更新显示驱动程序，需要在安全模式下启动电脑、卸载当前的显示适配器，然后检查驱动程序更新。

Select Start , then select Settings > Personalization > Themes.Choose from a default theme or select Get more themes in Microsoft Store if you want to download new themes with desktop backgrounds that feature cute critters, breathtaking landscapes, and other smile-inducing options.

在Windows 11中，应用不会自动添加到桌面。 了解如何将应用固定到桌面或任务栏Windows 11或Windows 10。 注意: 若要从桌面中删除快捷方式，请长按 (或右键单击) ，选择"显示更多选项"，然后选择"删除"。 仅删除快捷方式，不删除原始项。

了解如何準備 Windows 裝置進行硬體變更，並尋找硬體變更完成後重新啟用 Windows 的協助。 如果您的 Microsoft 帳戶未連結到數位授權，請依照下列步驟以新增帳戶： 以系統管理員身分登入，新增您的 Microsoft 帳戶。

Note: If you use a Manual Table of Contents style, Word won't use your headings to create a table of contents and won't be able to update it automatically. Instead, Word will use placeholder text to create the look of a table of contents so you can manually type each entry into the table of contents.

Training: Watch this video to learn how to switch your Outlook calendar view between day, week, or month views, change the week displayed, and see different shared calendars.

Do you want to learn how to navigate Windows using keyboard shortcuts? Whether you need to switch between apps, open the command prompt, or perform any other tasks, you can find a full list of keyboard shortcuts in Windows on this webpage. Discover how to save time and improve your productivity with these handy tips.

Get started with Microsoft Teams (free). Explore your options, find out what’s new, browse help topics, and more.

Get Microsoft 365 support, help, and learning resources. Organize your life, expand your creativity, and protect what’s important with Microsoft 365

Let's say that you need to sum values with more than one condition, such as the sum of product sales in a specific region. This is a good case for using the SUMIFS function in a formula.. Have a look at this example in which we have two conditions: we want the sum of Meat sales (from column C) in the South region (from column A).. Here’s a formula you can use to acomplish this: