If he was using both keyboards and mice sets as wireless then they should be working correctly if they are on the same frequency. Some newer units use 2.4GHz but I have never seen any issues with a router.
Of course he did not specify if he is using wireless on any of this.
This sounds like that you keyboard and mouse are on the same frequency. Try this. After you plug in your router remove the batteries from the two items and then reinstall the batteries. Sync the two together with the system. and see if that does the trick.
I have a desktop and laptop mac and I cannot use my router one the laptop. I can access internet by...
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I have a desktop and laptop mac and I cannot use my router one the laptop. I can access internet by connecting the router to my comcast cable network and to the desktop but not the laptop
I have a desktop and a laptop both are Macs and have the sameOS 10. programs I can access the...
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I have a desktop and a laptop both are Macs and have the sameOS 10. programs I can access the internet thru the router connect but the laptop cannot access the internet wirelessly- can you help it did workpreviousely but that was a while ago but we had a power failure now I cannot connect