Logitech K400r Keyboard not connecting to any dongles

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JoeShmoeJohnDoe

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Mac Daddy Flex
Logitech K400r Wireless Keyboard With Touch Pad: Range 30ft

I only have 2 Logitech dongles and tried them both. One of them is working my mouse right now and I'm fairly sure the other was originally for my keyboard but I can't be sure of it because I haven't played with this stuff in 2 years and I was thinking maybe one of my dongles is one of them uni-logitech device types and just don't know how to change the default connectivity. I updated windows got some new drivers and even downloaded some Logitech software which I ended up uninstalling it because it decided to mess with my pad settings on my laptop. There's no light on this keyboard just an on and off switch but I'm fairly certain it works because its just been sitting there in storage. How can I tell if I have the dongle for this keyboard or if I have a dongle that will work at all?
 

JoeShmoeJohnDoe

Thread Starter
Joined
Sep 8, 2018
Messages
29
First Name
Mac Daddy Flex
The K400 uses the unifying receiver. The setup guide is here: https://www.logitech.com/en-us/manuals/11916#section2

Have you replaced the batteries?

Otherwise, I don't see a "sync" button. So assuming you are using a unify dongle, it should work.
My dongle is Logitech C-UBD58 Wireless Mouse Mini Nano Receiver, I just found out. I didn't know there were such small model numbers on it. That's not a unifying receiver so i guess i really did lose the original receiver. I'm gonna see if i can get this keyboard to work with the nano receiver somehow. I know some people out there are doing it. I'm gonna see if the unifying software will do me justice
 
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