Note: Some devices might have more than one presence sensor.If so, you can choose which one you want to use. May 2023 update for Windows 11 22H2 and later: Wake on approach can be enabled on systems that support S3 sleep state, such as desktops.For USB-connected presence sensors to work properly on these systems, you'll need to enable USB Wake Support (or a similarly named option) in BIOS ...

但如果需要测试多个条件，例如我们假设所有条件都需要为 True 或 False (AND)，或只有一个条件需要为 True 或 False (OR)，或者如果想要检查某个条件是否不 (NOT) 符合你的条件，这时该怎么做呢？这三个函数均可以单独使用，但它们更常见于与 IF 函数成对使用。

Once you've allowed microphone access to your apps, you can change the settings for each app. In Microphone settings, go to Choose which Microsoft apps can access your microphone, and turn on apps you want to use with it.For desktop apps, make sure that Allow desktop apps to access your microphone is turned on.

When prompted, enter the product key. You can find the product key on the sticker on the CD case or other packaging. If you need help, see Find your Product Key for Office 2007.

Both options allow essentially the same thing—users can access files on their local computer in File Explorer or Finder. However, adding OneDrive shortcuts allows content to be accessed on all devices, whereas sync is related to a specific device.

Energy saver automatically manages system processes and power usage for an optimal balance of PC performance and longer battery life. Select Start > Settings > System > Power & battery .If you want energy saver to turn on whenever the battery falls below a certain level, select Energy saver to expand options, then next to Turn energy saver on when battery level is at, select the battery level ...

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Microsoft Rewards offers and redemption catalogs vary across regions. The following is a list of countries/regions in which Microsoft Rewards is currently available:

To control location for just your user account, switch the Let apps access your location setting On or Off.If "Location services is off" appears on the settings page, you won't be able to turn on the Let apps access your location setting for an individual user account.

If your screen only has a Mini DisplayPort, you can set up the following connections—connect a USB-C to HDMI adapter to an HDMI cable then to an HDMI to Mini DisplayPort and then to your external screen. Keep in mind that the more adapters used, the more degraded the signal may get.