Keyboard & trackpad not recognized after sleep

I have a brand new 2012 iMac with a frustrating problem, neither the keyboard or the trackpad is recognized after the machine has gone to sleep.
Once I unplug the keyboard and replug it in, it is fine.
Once I turn the trackpad on and off it is fine.
I can wake up the computer using the power button on the computer (but I still have to 'reconnect' the keyboard and mouse).
I've tried other keyboards. I've reset the SMC controller. I've reset PRAM.
Ideas.
Brand new system too... nothing funky installed.

Thanks for the note. I neglected to mention that I had already tried that download. I received the "This update is not intended for this computer and will not be installed" message. Didn't see where I could do anything with it further.
I also had the issue of my wireless/bluetooth trackpad not being recognized by the mac side when I re-booted. I've re-installed it but obviously don't want to deal with that every time I re-boot.

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God bless you, peace.
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Please click the "Kudos, Thumbs Up" at the bottom of this post if you want to say "Thanks" for helping!
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