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I just setup my new mini and I'm having sporadic issues with my K750 keyboard using the little Logitech USB dongle. The keyboard will go completely unresponsive for a few minutes and then spring back into life. Any ideas what the problem might be?
Is there a USB 3.0 drive near the keyboard?
If so, try moving the USB 3.0 drive away from the Keyboard.
Is the keyboard dongle plugged in next to a USB 3.0 drive cable?
If so, try moving the dongle to an adjacent port or putting it on a USB extension cable.
see > Resolve Wi-Fi and Bluetooth issues caused by wireless interference - Apple Support
and > https://www.macobserver.com/tmo/article/usb-3.0-hard-drives-can-cause-wi-fi-interference
Is there a USB 3.0 drive near the keyboard?
If so, try moving the USB 3.0 drive away from the Keyboard.
Is the keyboard dongle plugged in next to a USB 3.0 drive cable?
If so, try moving the dongle to an adjacent port or putting it on a USB extension cable.
see > Resolve Wi-Fi and Bluetooth issues caused by wireless interference - Apple Support
and > https://www.macobserver.com/tmo/article/usb-3.0-hard-drives-can-cause-wi-fi-interference
I did have a couple of USB3 HDDs plugged in with the cables passing near the Logitech USB adapter. One USB 3 drive is not plugged into a USB3 hub with the cable tucked neatly away and my keyboard works perfectly.
That is good news, thanks for confirming that rerouting the USB 3.0 cables has solved the problem.
Mac mini 2018/Logitech K750 woes
