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Start your PC in safe mode in Windows - Microsoft Support
If a problem doesn't happen in safe mode, this means that default settings and basic device drivers aren't causing the issue. Observing Windows in safe mode enables you to narrow down the source of a problem, and can help you troubleshoot problems on your PC.
在 Microsoft Teams 中登录、注册、注销和添加新帐户 (免费)
要注册 Microsoft Teams(免费版),只需具有 Microsoft 帐户。. 如果使用的是 Skype、OneDrive、Outlook.com 或 Xbox Live,则已拥有一个。. 如果不是,可以轻松 创建新的 Microsoft 帐户 。. 想要在 Teams 中执行更多操作?. 详细了解 Microsoft Teams(免费版)订阅 。.
Applies To: Microsoft Teams, Microsoft Teams personal
在 PowerPoint 中旋转或翻转对象 - Microsoft 支持
在 PowerPoint 中,可以旋转或翻转文本框、形状和图片等对象。. 点击要旋转的对象。. 选择对象顶端的旋转手柄,然后沿所需方向拖动。. 若要翻转对象,请在“ 形状格式 ”选项卡的“ 排列 ”部分中,选择“ 旋转 > 垂直翻转 或 水平翻转 。.
Applies To: PowerPoint for Microsoft 365, PowerPoint 2021, PowerPoint 2019, PowerPoint 2016