Reality with this person can be so weird sometimes. He had forgotten there was an on/off button on it. Why didn't I think about that? Paul Moortgat On 14 Jun 2012, at 10:07, Randy B. Singer wrote: > > On Jun 13, 2012, at 11:22 AM, Paul Moortgat wrote: > >> A friend his keyboard is no longer recognized by his iMac. He changed batteries (even backwards) >> The Sys Prefs tell him there's no keyboard. What can he do? He works with Lion. > > Shutdown your Mac and then unplug it and let it sit for five or ten minutes. This will reset the SMC. Plug it back in and startup. Everything should be back to normal. > > More suggestions: > <http://ismashphone.com/2011/08/how-to-fix-bluetooth-pairing-in-mac-os-x-lion-issues.html> > > ___________________________________________ > Randy B. Singer > Co-author of The Macintosh Bible (4th, 5th, and 6th editions) > > Macintosh OS X Routine Maintenance > http://www.macattorney.com/ts.html