When your camera isn't working in Windows 11, it might be missing drivers after a recent update. It's also possible that your antivirus program is blocking the camera, your privacy settings don't allow camera access for some apps, or there's a problem with the app you want to use.

=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.

An administrator might have customized the settings for your Temporary Internet Files folder to prevent you from changing the settings. For example, the administrator can remove the General tab from the interface in the Internet Options dialog box. If you cannot access the Internet Options dialog box or the General tab, contact your administrator for more information.

A BitLocker recovery key is needed when BitLocker can’t automatically unlock an encrypted drive in Windows. This key, which is a 48-digit number, is used to regain access to the drive.

En este artículo se describe el paso para que los usuarios puedan ejecutar JavaScript en Internet Explorer, Chrome y Firefox en todos los sitios web de la zona de Internet.

Obtenha ajuda e suporte para o Microsoft Edge. Encontre conteúdo de suporte do Microsoft Edge, artigos de instruções, tutoriais e muito mais.

Set a shorter duration for an active display. Select Start > Settings > System > Power & battery > Screen and sleep.For On battery power, turn off my screen after, pick a shorter duration. Open Power & sleep settings. Reduce your display’s brightness. Select Start > Settings > System > Display > Brightness .Clear the Change brightness automatically when lighting changes or the Help improve ...

To check the end-of-support dates for your version of Windows, see the product lifecycle information for Windows.. If your version of Windows is still supported, you should always install the latest updates for Windows.To download and install these updates, use Windows Update in the Settings app.

We’re making some changes to Windows and Microsoft 365 that will impact Cortana users. Cortana voice assistance in Windows as a standalone app was retired in the spring of 2023.

Get help with your questions about using Microsoft Whiteboard with our how-to articles, tutorials, and support content.