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.

=RAND()*(b-a)+a. If you want to use RAND to generate a random number but don't want the numbers to change every time the cell is calculated, you can enter =RAND() in the formula bar, and then press F9 to change the formula to a random number. The formula will calculate and leave you with just a value.

Na caixa de pesquisa na barra de tarefas, digite o nome do app que você deseja fixar na barra de tarefas. Clique com o botão direito do mouse no aplicativo e selecione Fixar na barra de tarefas.Se você não estiver trabalhando, siga as mesmas etapas e selecione Desempinar na barra de tarefas.

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Get support for all Office.com apps, including Excel, Word, and PowerPoint, with step-by-step guidance and troubleshooting.

查找有关 Windows 操作系统的帮助和操作方法文章。 获取对 Windows 的支持，并了解安装、更新、隐私、安全等方面的信息。

El soporte técnico de Microsoft está aquí para ayudarle con los productos de Microsoft. Encuentre artículos de procedimientos, vídeos y formación sobre Microsoft 365 Copilot, Windows, Surface y mucho más.

With the Windows 10 Mobile OS end of support, we recommend that customers move to a supported Android or iOS device. Microsoft’s mission statement to empower every person and every organization on the planet to achieve more, compels us to support our Mobile apps on those platforms and devices.

Skype help & learning. Limited emergency calling Skype is not a replacement for your telephone and has limited emergency calling capabilities depending on your country.

To check activation status in Windows 11, select the Start button, and then select Settings > System and then select Activation .. Your activation status will be listed next to Activation.. Check activation status in Settings. You'll see one of these activation status messages on the Activation page: