Controller serial numbers are 14 characters long and don’t include dashes. Your controller serial number may not be recognized if you’ve never connected your controller, or if you connected for the first time within the last 48 hours.; If you have the Xbox Elite Wireless Controller Series 2, the 14-character serial number is in the lower center on the back of the controller.

Review the warranty terms, check your warranty status, and learn about the protection plans for your Microsoft device or accessory.

Excel makes it easy to crunch numbers. With Excel, you can streamline data entry with AutoFill. Then, get chart recommendations based on your data, and create them with one click.

Si vous rencontrez des problèmes de son ou audio, les suggestions suivantes peuvent vous aider. Ces conseils sont affichés dans l’ordre. Commencez par le premier de la liste ; s’il ne vous permet pas de résoudre votre problème, passez au suivant.

注意: 选择自定义电源计划时，可能无法更改电源模式。如果在 Power & 电池设置中无法设置电源模式，请打开"控制面板"，选择"系统和安全">"电源选项"，然后选择"均衡电源计划"。

注意 此更新需要恢复分区中有 250 MB 的可用空间才能成功安装。 若要确保设备已提供此更新，请按照说明手动调整分区大小 或 使用 示例脚本 增加 WinRE 恢复分区的大小。. 分区有足够的磁盘空间后，单击 开始 > 设置 > Windows 更新 > 检查是否有更新 向你提供，然后安装它。

Manually download a language for Cortana speech. Go back to Settings > Time & language > Language, select your new language, and then use the up-arrow button to move it to the top of the list and make it the default.

Solucionar problemas con accesorios Bluetooth. Si puedes activar Bluetooth pero tienes problemas para emparejar o usar un accesorio Bluetooth, prueba los siguientes pasos para solucionar problemas comunes de accesorios Bluetooth.

Note: Offers vary by country.Be sure to redeem your rewards points in the same region you signed up in. Do not use a VPN while trying to redeem points. When redeeming points, use a mobile or landline phone number for authentication and not a VoIP phone number.

Under Personalization & advertising, turn on or off the setting for Allow Microsoft to save your browsing activity including history, usage, favorites, web content, and other browsing data to personalize Microsoft Edge and Microsoft services like ads, search, shopping and news.