Alexa - How do I.....???🤔

 How do I turn off Alexa echo at night?

Press the microphone on/off button on the top of the unit.
You will see the ring turn red.
When the speaker is off, the light will turn red.
Alexa will not respond to the wake word until you turn the microphone back on, thus shutting down for the night.

 

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Are you trying to put it on standby,
 or shut it down completely?
Standby, aka inactive: Alexa, goodnight. This puts it in the standard listening mode.

“Alexa,   Standby.”
“Alexa,   Wake up.”

“Alexa,   Good Morning.”

“Alexa,   Set up a Timer.”

“Alexa,   Play Opera.”

“Alexa,   Set up a Reminder”

“Alexa,   Set up an  ALARM” 

You can also put it on do not disturb so it won’t light up or make sounds.
 “Alexa, turn on do not disturb.”

To shut it off entirely, unplug it.
There is no way to shut it off without cutting the power source.

 
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To shut it off is just pull the power cord out of the back, it's as easy as flipping a switch.
It's also the easiest way to fix errors like it going offline or getting sound distortion etc.
It always see to work normally when you plug it back in.

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Why is it bad to leave the computer on and never shut it down?
Originally Answered: How come it is bad to leave the computer on and never shut it down?
 

There are pros and cons:
    Left unattended, there’s a very slight risk of fire from a hardware failure or a power surge.
    Some updates may require a restart and the notification might have a time-out you miss.
    Occasionally a power glitch can corrupt memory causing some minor malfunction until a restart.
    Settings might have scheduled a Windows Update or other event for the next restart.
Your call. I shut mine down at bedtime and restart on rising.