If you’re having sound or audio problems, the following suggestions might help. The tips are listed in order, so start with the first one, see if that helps, and then continue to the next one if it doesn’t.

Tips: While signing in, select Yes at the "Stay signed in?" prompt if you want to go straight to your mailbox next time (not recommended for shared computers). Alternatively, check the "Don't show this again" box and select No to be prompted for your password each time.. If you can't sign in, or have forgotten your username or password, use our sign-in troubleshooter.

如果这是你第一次安装Microsoft 365 或 Office，则可能必须完成一组预安装步骤，或者可能需要遵循不同于下面所示的步骤。 你执行的操作取决于你的 Microsoft 365 或 Office 副本是家庭 产品还是商业 产品，以及你是否拥有仍需要兑换的产品密钥、已与产品关联的帐户或预分配的许可证。

Before you begin. Driver updates for Windows, along with many devices, such as network adapters, monitors, printers, and video cards, are automatically downloaded and installed through Windows Update.

登录时，你将获得最个性化的体验。 可以自定义主页并添加你的兴趣和其他个性化功能。 如果尚未登录，MSN 可以存储 cookies 中的某些设置。 下次使用同一个浏览器时，您的自定义项将显示在同一台计算机上。

¿Está preparado para instalar? Antes de empezar, asegúrate de que tu PC o Mac cumple los requisitos del sistema.. Si ya ha canjeado una clave de producto, simplemente va a reinstalar las aplicaciones o sabe que tiene una licencia asignada a través del trabajo o la escuela, puede ir directamente a la sección iniciar sesión para descargar e instalar Microsoft 365 u Office.

If Windows Update finds an updated driver, it will download and install it, and your printer will automatically use it. If a device driver couldn’t be installed automatically, there may be an optional driver available that your printer can use.

如果你有多个要插入的 5 毫米插孔（尤其是在环绕音响系统上），请确保所有电线和线缆都插入到了正确的插孔中。 如果不清楚哪个插孔与哪根电线匹配，请咨询你的硬件制造商，或者一次一个地尝试最明显的输出，然后查看它们是否正常工作。

Safe mode starts Windows in a basic state, using a limited set of files and drivers. If a problem doesn't happen in safe mode, this means that default settings and basic device drivers aren't causing the issue.

Turn your PC off completely. To shut down, select Start and then select Power > Shut down.. Sleep. Sleep uses very little power, your PC starts up faster, and you’re instantly back to where you left off.