Sign in with Microsoft
Sign in or create an account.
Hello,
Select a different account.
You have multiple accounts
Choose the account you want to sign in with.
Surface turns on and shows "Couldn't find a bootable operating system ...
There are steps you can take if you turn on a Surface device and see "Couldn't find a bootable operating system."
Surface won’t turn on or start - Microsoft Support
Learn what to do if Surface won’t turn on, turns on then off, or starts and gets stuck on a screen—a black screen, a screen with a logo, or another screen
使用云游戏通过 Web 浏览器免费玩 Fortnite | Xbox Support
可以通过 Web 浏览器免费玩 Fortnite,而无需 Xbox Game Pass Ultimate 订阅。 玩游戏只需 Microsoft 帐户和 Xbox 档案以及免费且受支持的带蓝牙功能的控制器(如果需要)。
修复 Windows 中的屏幕闪烁问题 - Microsoft 支持
Windows 中的屏幕闪烁问题通常是由显示驱动程序导致的。 若要更新显示驱动程序,需要在安全模式下启动电脑、卸载当前的显示适配器,然后检查驱动程序更新。 在安全模式下启动电脑, 然后选择并长按 (或右键单击) “开始” 并选择“设备管理器”。
确定您的计算机运行的是 32 位版本还是 64 位版本的 Windows 操作系统 - Microsoft 支持
本主题适用于中国的 Office 365 世纪互联运营。安装 Lync 时,您需要根据 Windows 版本,选择要使用的安装程序。
Applies To: Skype for Business Online operated by 21Vianet
Appendix A: Supported languages and voices - Microsoft Support
Learn which languages are supported in Narrator in Windows and how to adjust your Narrator Settings.
Troubleshoot game issues on Xbox | Xbox Support
Find out what to do if your Xbox game won’t start or freezes during gameplay.
在電腦上啟用 TPM 2.0 - Microsoft 支援服務
瞭解如何檢查您的電腦是否能夠執行 TPM 2.0,或如何啟用 TPM 2.0 升級至 Windows 11。
打开或关闭 Microsoft Defender 防火墙 - Microsoft 支持
即使已开启其他防火墙,开启 Microsoft Defender 防火墙也很重要。 它保护你免遭未经授权的访问。 若要打开或关闭 Microsoft Defender 防火墙,请执行以下操作:
Troubleshoot remote play gaming | Xbox Support
Get help with remote play gaming problems. If you’re using the Xbox Wireless Headset, check to be sure the headset volume (dial on right earcup) isn’t turned all the way down, and the audio balance (dial on left earcup) isn’t turned completely in one direction.