BitLocker 是 Windows 加密技术，它通过加密驱动器并要求一个或多个身份验证因素才能解锁驱动器来保护数据免受未经授权的访问。 Windows 在检测到可能未经授权的访问数据尝试时，需要 BitLocker 恢复密钥。 此额外步骤是一种安全预防措施，旨在确保数据的安全。

If you don't have a desktop PC and the slider doesn't appear or work, try updating the display driver. Select Search on the taskbar, type Device Manager, and then select Device Manager from the list of results.In Device Manager, select Display adapters, then select the display adapter.Press and hold (or right-click) the display adapter name, then select Update driver and follow the instructions.

Microsoft 365 is our cloud-powered productivity platform. With a subscription to Microsoft 365, you can get: The latest productivity apps, such as Microsoft Teams, Word, Excel, PowerPoint, Outlook, OneDrive, and so much more.

[サウンドの設定] で、[入力] に移動し、[マイクのテスト] で、マイクに向かって話をしているときに発生する上下する青いバーを探します。 バーが動いている場合、マイクは正常に機能しています。

Tout d’abord, identifiez le menu ou les autres composants que vous souhaitez capturer. Dans Outil capture d’écran, sélectionnez Délai , puis sélectionnez, par exemple, 5 secondes.Sélectionnez Mode pour démarrer le compte à rebours de 5 secondes.Dans les 5 secondes, ouvrez un menu ou composez votre image. À 5 secondes, lorsque vous voyez l’écran devenir gris, utilisez la souris ...

In the search box on the taskbar, type Create a restore point, and select it from the list of results.

You can apply sensitivity labels to your files and emails to keep them compliant with your organization's information protection policies. Sensitivity labels are configured by your administrator and because they're published to users rather than locations such as sites and mailboxes, users in the same organization might see different sensitivity labels to apply.

Check the device. If the device doesn't appear to work at all (no lights appear on the device when it’s plugged in, or the cursor doesn't move or doesn't appear on the screen), connect the device to another PC and make sure the device works on that PC.

Copilot prompts are instructions or questions you use to tell Copilot what you want. Prompts can include four parts: the goal, context, expectations, and source, as described in the following image:

解决激活错误. 如果 Microsoft 365 无法激活，其最后会变为未授权，且 Microsoft 365 的所有编辑功能都会被禁用。 Microsoft 可能由于多种原因变为未授权。