K270 Logitech keyboard not working.

So I have a K270 Logitech keyboard that came with an M325 mouse and a unifying receiver. To clarify, I got this set new and took them out of the box together. When I first got them they worked brilliantly, no issues at all. I got them for working remotely. When I was laid off I packed them away and now that I'm working again I dug them out and while the mouse works, the keyboard won't. I Uninstalled the driver and reinstalled then restarted my computer. Nothing. I checked for software updates and it's up to date. I checked properties and as far as the driver says, the keyboard is connected. I changed the batteries (yes, they are put in correctly), made sure the on switch was flipped to on. Just nothing. No response. Is there anything else I can do to get it working?

Download Logitech Unifying software and use that to connect the keyboard with the receiver. This software also connects any compatible Logitech device to any unify receiver.