Both batteries in the Surface Book must be charged above 10 percent to detach the keyboard. If either of the batteries has less than a 10 percent charge, the green light on the Detach key won’t come on when you press it and you won’t be able to detach the keyboard.

Ensure these modes create an alert that is visible on your device. Make sure you have a device signal and Internet connection. Make sure your phone calls and text messages are getting through to your mobile device.

Surface app. With integrated help and support, you can find solutions to questions and issues directly from the Surface app. You can easily access device, charging, and warranty information and view and customize your connected Surface accessories.

Windows 10, version 22H2 update history; July 23, 2024—KB5040525 (OS Build 19045.4717) Preview; July 9, 2024—KB5040427 (OS Builds 19044.4651 and 19045.4651)

Windows Vista Service Pack 2 (SP2) includes all of the updates that have been released since SP1. How to get SP2. The recommended way to get SP2 is to turn on automatic updating in Windows Update in Control Panel, and wait for Windows Vista to notify you that SP2 is ready to install.

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。

Windows 운영 체제에 대한 도움말 및 방법 문서를 찾아보세요. Windows에 대한 지원을 받고 설치, 업데이트, 개인 정보 보호, 보안 등에 대해 알아봅니다.

S モードの Windows 11 について. S モードの Windows 11 とは、使い慣れた Windows エクスペリエンスを提供しつつ、セキュリティとパフォーマンスに特化して合理化された Windows 11 のバージョンです。

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Learn about Xbox online safety so you can manage your family's accounts.