Currently Being ModeratedSep 11, 2013 12:23 PM (in response to znyatc)
Thank you for using Apple Support Communities!
It sounds like after replacing the batteries on your Apple Wireless Keyboard it will not pair up with the computer anymore.
I found this article while researching what may be done to help troublehshoot the issue named Troubleshooting wireless mouse and keyboard issues found here http://support.apple.com/kb/TS3048.
It is pretty lengthy but should get you to a resolution.
All the very best,
Currently Being ModeratedSep 11, 2013 4:54 PM (in response to sterling r)
Thanks for the response. I have tried this already , and most of the ideas , reset pram , amp, I even reloaded the os lion , all to no avail. It worked replaced batteries and now it won't even pair up. If I gp to the bluetooth menu and add a device. The keyboard shows as listed but name unknown. Its an Apple 1016a. I select it and it comes up with a 4 digit code to input. 0000 and return. That does nothing yet the keyboard is lived as connected. Now if I go back and select other code options and select no code, it comes back as congratulations your device is recognized yet in the window it now shows the keyboard as disconnected . If I go to the keyboard window and select find wireless keyboard it never sees it. Batteries have been checked with a volt meter and are ok. Now it won't link up to my iPad and it won't link up to my Mac book pro either. Worked fine , I got t when i bought this iMac. Message came on warning battery level low in keyboard and all I did was put in the new batteries and it won't work again. It is not connected to any other device and I have no wireless equipment any where near the iMac.
On Sep 11, 2013, at 3:23 PM, Apple Support Communities Updates wrote: