个人设备的所有者或管理员激活了 BitLocker (在某些设备上也称为设备加密，) 通过“设置”应用或控制面板： 在这种情况下，激活 BitLocker 的用户选择了保存密钥的位置，或者在设备加密的情况下选择 (，) 自动将密钥保存到其 Microsoft 帐户。

Screen flickering in Windows 11 is usually caused by a display driver issue or incompatible app. To determine whether a display driver or app is causing the problem, check to see if Task Manager flickers. Then, based on that information, you'll need to update, rollback, or uninstall your display driver or update or uninstall the app.

Refunds are typically issued for requests meeting the following criteria: Requests are made within 14 days of the purchase date. Requests are for games in which you haven’t accumulated a significant amount of play time. Note As a limited exception, digital game products may be eligible for a refund within 30 days if you’re unsatisfied with ...

Right-click on the desktop you want to change. Select Choose background. Select the list in the Personalize your background section, then select Picture. Select a picture. Use multiple desktops in Windows to organize projects, or quickly switch between desktops before a meeting.

如果从电脑启动：. 在任务栏上的搜索框中，键入 “手机连接 ”，然后从结果中选择手机连接 。. 如果尚未使用 Windows 登录，系统可能会要求 登录 Microsoft 帐户 。. 在 Android 设备上安装或打开 连接至 Windows 移动应用。. 为此，请在 Android 设备上打开网络浏览器 ...

首先在“获取帮助”应用中运行自动音频疑难解答。. “获取帮助”将自动运行诊断，并采取正确的步骤来解决大多数音频问题。. 打开“获取帮助”. 如果“获取帮助”应用无法解决声音或音频问题，请尝试列出的可能解决方案：. Windows 11 Windows 10. 1. 检查扬声器 ...

Windows 10. To turn off your PC in Windows 10, select the Start button, select the Power button, and then select Shut down.

Windows 11 Windows 10. 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.

On the View tab, select View settings. Select Accounts > Email accounts. From the email accounts pane, you can now select the option to Add account, Manage an existing account. Select Add Account, then in the Suggested account dropdown, add the Gmail account you want to add, and select Continue. Follow the prompts to complete the process.

単純な数式を使用すると、範囲内の数値 (セルのグループ) を合計できますが、数個以上の数値を操作する場合は SUM 関数を使用する方が簡単です。 たとえば、=SUM(A2:A6) は、=A2+A3+A4+A5+A6 よりも入力エラーが発生する可能性が低くなります。 次の 2 つのセル範囲を使用する数式を次に示します。