Here’s how: Check in quick settings: Select the Network, Sound, or Battery icons ( ) on the right side of the taskbar, look for the Bluetooth quick setting, then select Bluetooth to turn it on. You’ll see “Not connected” if your Windows 11 device isn’t connected to any Bluetooth accessories. Check in Settings: Select Start > Settings ...

AND 和 OR 函数最多可支持 255 个单独条件，但并不建议使用多个条件，因为构建、测试和维护复杂的嵌套公式是非常难的。. NOT 函数仅采用一个条件。. 下面是根据它们的逻辑写出的公式：. 公式. 说明. =IF (AND (A2>0,B2<100),TRUE, FALSE) 如果 A2 (25) 大于 0，并且 B2 (75 ...

注意: 如果是通过以下任一方式获取的 Microsoft 365：Microsoft 工作区折扣计划(以前称为家用许可计划)，则安装 2019、2016 或 2013 版的 Office 专业增强版、Office 标准版或独立应用（如 Word 或 Project）的步骤可能会有所不同：如果你通过公司购买了 Microsoft 365 供个人使用，请参阅通过工作场所折扣计划安装 ...

Windows 10. In the search box on the taskbar, type device manager, then select Device Manager from the menu. Open Device Manager.

In the search box on the taskbar, enter device manager, then select Device Manager. Select a category to see names of devices, then right-click (or press and hold) the one you’d like to update. Select Search automatically for updated driver software. Select Update Driver. If Windows doesn't find a new driver, you can try looking for one on ...

设置 Windows Hello. 选择上面的按钮直接进入“ 设置 ”，或按照以下步骤设置 Windows Hello。. 依次选择“ 开始 ”>“ 设置 ”>“ 帐户 ”>“ 登录选项 ”。. 在“ 登录方式 ”，你将看到使用 Windows Hello 登录的三个选项：. 选择“ 人脸识别 (Windows Hello) ”以设置使用 ...

Get started with Copilot in Windows To get started, press + C, or use the Copilot in Windows icon located on the right end of the taskbar.If you want to show or hide the icon from your taskbar, right-click on the taskbar then select Show Copilot (preview) button to clear the checkmark from the option.. Copilot in Windows isn’t currently supported when your taskbar is located vertically on ...

Open a service request in the Microsoft 365 admin center. This service is free. Get help and support, whether you're shopping now or need help with a past purchase. Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

Where can I find my BitLocker recovery key? BitLocker likely ensured that a recovery key was safely backed up prior to activating protection. There are several places that your recovery key may be, depending on the choice that was made when activating BitLocker:

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