Cause. The device has no drivers installed on your computer, or the drivers are configured incorrectly. Recommended Resolution. Update the Driver. In the device's Properties dialog box, click the Driver tab, and then click Update Driver to start the Hardware Update Wizard.Follow the instructions to update the driver.

如果要从 Windows 7 或 Windows 8.1 电脑迁移到新的 Windows 设备，你会发现获取应用和游戏的最佳方式是通过 Microsoft Store。 Microsoft Store 适用于任何设备 - 你可以搜索 Adobe Reader 等免费和付费应用、查看其热门程度和评分，并将它们下载你的设备中。

Sign out of your account and then sign in to your new account. If everything is fixed, move your personal data and files to the new account. To move your personal files from your old account to your new account, try opening File Explorer, expanding This PC > OSDisk (C:), and looking in the Users folder, where you should see folders for both accounts.

Get Microsoft Project help and training content. Find training courses, support, and additional resources for Microsoft Project.

Get answers to all of your Microsoft Word questions. Find Word help, how-to articles, training videos, tutorials, and more.

DPI 是用于测量鼠标灵敏度的标准，表示设备可以检测的 DPIs (每线性) 英寸的点数。 通过更改 DPI，你可以立即调整精度任务的指针速度，例如，游戏定位或照片编辑。

Enthält Informationen zum Beheben von Problemen mit Bluetooth unter Windows. Beheben Sie Probleme beim Verbinden eines Bluetooth-Geräts oder -Zubehörs.

Use OneDrive on your desktop. If you use Windows 10, OneDrive may have already asked you to sign in to sync your files. In File Explorer, select:

新しい Microsoft Teams を使用して、Windows デスクトップ アプリで複数の職場、学校、個人アカウントにログインできるようになりました。 ゲスト組織を含め、組織間で簡単に切り替えることができます。 さまざまなアカウントの通知設定を確認して変更します。

Occasionally, dates may become formatted and stored in cells as text. For example, you may have entered a date in a cell that was formatted as text, or the data might have been imported or pasted from an external data source as text.