Casio keyboard wakes up iMac whenever it is turned on

we hooked my son's Casio keyboard to our new iMac, but whenever he turns the Casio keyboard on or off, it wakes up the iMac (even though we are not using the computer when this happens. it is a minor inconvenience to have to run over to the iMac to put it back to sleep when this happens. is this bad for the iMac?

Your going to have to unplug the keyboard from the mac if you don't want it waking up when it's turned on and off. But it's not going to hurt your imac... well is seven or eight years it may make a small noticeable impact but don't worry about it.

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Casio keyboard wakes up iMac whenever it is turned on

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