Using Tasker on Android and the Wake On Lan app, you can use this recipe to power on your PC using Alexa.
If
Say a specific phrase
This trigger fires every time you say "Alexa trigger" + the phrase that you have defined. For instance, if you set "party time" as the phrase, you can say "Alexa trigger party time" to have your lights loop colors.
Then
Send an SMS
This Action will send an SMS from your Android device to any phone number you specify.
ID qqtnsbFe
Discover more time saving integrations for Android SMS and Amazon Alexa