HP Sprout User Manual page 21

Although you can shut down Sprout with the power button, the recommended procedure is to use the turn off
command, as follows:
NOTE: If Sprout is in the Sleep state or in Hibernation, you must first exit Sleep or Hibernation before
shutdown is possible.
1. Save your work and close all open programs.
2. Select the Start button, select the Power icon, and then select Shut down.
If Sprout is unresponsive and you are unable to use the preceding shutdown procedures, try the following
emergency procedures in the sequence provided:
Press ctrl+alt+delete. Select the Start button, select the Power icon, and then select Shut down.
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Press and hold the power button for at least 5 seconds.
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Disconnect Sprout from external power.
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Shutting down (turning off) Sprout 15