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.

Where can I find my BitLocker recovery key? BitLocker likely ensured that a recovery key was safely backed up prior to activating protection. There are several places that your recovery key may be, depending on the choice that was made when activating BitLocker:

How to redeem a gift card, Xbox download code or token. Both Microsoft and Xbox gift cards and download codes and tokens work the same way: once redeemed to your Microsoft account, you can spend your balance at Microsoft Store online, on Windows or Xbox, and you can get downloads for the latest apps, games, movies, TV shows, and Surface, Xbox, and accessories.

Refunds are typically issued for requests meeting the following criteria: Requests are made within 14 days of the purchase date; Requests are for games in which you haven’t accumulated a significant amount of play time

Check the Xbox services, games, and apps for any service outages.

如果订单状态为“已取消”或“已退款”，您将不再拥有该游戏或游戏附加内容，因而无法启动或玩它。如果您仍想拥有该内容，可以重新购买它。 如果您在订单历史记录中看不到该游戏或游戏附加内容，请在 Microsoft Store 中搜索它。

Surface model. Link. Surface Pro X. Use Windows Update to keep your Surface Pro X drivers and firmware up to date. Select Start > Settings > Update & Security > Windows Update .Commercial customers can learn more about servicing Pro X at Deploying, managing, and servicing Surface Pro X.. Surface Pro (11th Edition)

Find your Windows settings in a snap! Select the Start button, then select Settings .From there, browse the categories or use search to find what you're looking for.

提示 如果游戏所有者选择特定主机作为常用 Xbox，则任何使用此 Xbox 的用户都可以使用安装的游戏和应用，即使安装该游戏和应用的用户未登录。 有关详细信息，请参阅:

In the search box on the taskbar, type device manager, then select Device Manager from the menu.