I’m embarrassed to say that the link took me a long time to figure out. If you’re wireless mouse or keyboard is having connection problems, signal weaknesses, or similar signs of problems, make sure your cell phone isn’t anywhere around them!
I did this at work for a long time–it screwed up the signal strength, and caused weird problems like dropped keys, stuck CAPS, and more.
I have also noticed signals getting screwed up when I had a Nalgene bottle full of ice water sort-of between the keyboard and wireless receiver.
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