完全关闭电脑 若要关闭，请选择" 开始"， 然后选择" 电源 > 关闭"。 睡眠 睡眠使用非常少的电源，你的电脑启动速度更快，你可以立即返回到你离开的地方。 不必担心因电池耗尽而丢失工作，因为如果电量不足，Windows自动保存所有工作并关闭电脑。

Windows 11 is designed to bring you closer to what you love and is releasing at a time when the PC is playing an even more central role in the way we connect, create and play.

如何登入Outlook 網頁版、存取您的電子郵件、連絡人和行事曆。 附註: 如果您使用Microsoft 帳戶登入 ，例如 Outlook.com、Hotmail、Live 或 MSN 電子郵件帳戶，而不是公司或學校帳戶，請登出，然後使用正確的帳戶再次登入。 不確定您是使用哪個帳戶登入嗎？

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.

To change your screen resolution, use the drop-down menu under Display resolution.. Note: You should use the Recommended resolution. If you change the resolution, content might appear blurry or pixelated.

Important: Before trying any of the solutions below, make sure you back up your personal files. You can back up your Windows PC, or insert a USB drive and use File Explorer to drag and copy important files to the USB drive.If you’re signing into Windows with a Microsoft account, your system settings will be automatically restored after updating, once you’re connected to the internet.

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.

了解如何安装 Windows 7 Service Pack 1 (SP1)。 包含有关如何获取下载、要求和其他内容的信息。 备份重要文件 在安装更新之前，最好将重要的文件、照片和视频备份到外部硬盘、U 盘或云端。

Learn how to run a disk cleanup in Windows including deleting temporary and system files to free up disk space.

En la configuración rápida: Para buscar la configuración rápida de Bluetooth, selecciona los iconos de red, sonido o batería ( ) junto a la hora y fecha en el lado derecho de la barra de tareas.Selecciona Bluetooth para activarlo. Si está activada sin ningún dispositivo Bluetooth conectado, es posible que aparezca como No conectado . Si no ves Bluetooth en la configuración rápida, es ...