HT3924 Keyboard not responding most of the time...accidently disabled keyboard hitting multiple F2/fn/cmd & other keys when cleaning.

After cleaning my MacBook Pro with a alcohol cloth (same ones sold for use to clean eye glasses), the keys are not working when I try to log in with my main/usual name & passwd. BUT, I clicked on a button below that says "Sign in as a different user?" SO I CLICK IT, and it clears out my default username and allows me to type another user ID and Password...and works. So I know that I haven't broke the keyboard...but I've obviously set it into a select mode by pushing on the 'fn' or 'cmd' or 'F2-F12' keys.
If anyone is aware of a game mode or other kind of mode and know how to fix this, I would be greatly appreciate it.
Thanks,
CJ

Hi,
Back up everything. Start up in Recovery Mode by holding down Command and R keys together on startup.
Choose Disk Utility and then Verify and Repair disk. Also Repair Permissions. Quit Recovery Mode and Restart.
If nothing has improved, you may need to Restore or Reinstall OS X.
Before doing that, check your battery condition in About This Mac > System Report > Power.
If it is normal, you can go ahead with the restore or reinstall.

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HT3924 Keyboard not responding most of the time...accidently disabled keyboard hitting multiple F2/fn/cmd & other keys when cleaning.

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