Echo devices are designed to detect only your chosen wake word (Amazon, Alexa, Computer, or Echo). The device detects wake word by identifying acoustic patterns that match the wake word. Once the word is detected, audio begins streaming to the cloud, including a fraction of a second of audio before the wake word. No audio is stored or sent to the cloud unless the device detects the wake word (or Alexa is activated by pressing a button).
If you’re having trouble with the Alexa app for PC, here are some solutions that may help. Check the status of your Internet connection. If your Alexa app for Windows 10 device is not connected to the Internet, you can't shop, control smart home devices, or ask questions to Alexa.
If you don't see a network indicator in the taskbar, you must connect it to the internet.
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