HELP! Keyboard problems

HELP!
I have tried all sorts of things, like:
- removed syst prefs to desktop then restarted
- un-done, re-done, re-booted various options in International and Keyboard & Mouse
- run disk utility, both from startup CD AND in target disk mode
- ran permission smasher
- swapped out different keyboards and/or mice
...but these are my keyboard problem symptoms:
- numeric keypad not working
- the shift key (for caps & shift characters) not working&
- commands (i.e., "Select All") not working
...the keyboard does not work in any native Mac appl (e.g., Mail, Safari, TextEdit).
The only time my keyboard will work correctly is when I create a test new user and log-in. So it's just for me as user.
Also, oddly enough, keyboard prefs do not show up anywhere.
Anyplace where I should see something, such as
Library>preferences - there should be a file com.apple.keyboardtype.plist --- there is no file in any of the folders anywhere.
All of a sudden the keyboard stopped working, but the mouse attached to it still works. I have no clue what to do to fix it and my AppleCare has ran out.
Other things I have noticed and tried:
- running tech tool
- repairing permissions
- switching usb ports for the keyboard from the back of the display
- removing the mouse from the back of the keyboard
- unplugging everything but the keyboard and mouse
...any ideas???

Hi, DR -
The numeric keypad not working sounds like MouseKeys became enabled in the Universal Access part of System Preferences.
The Shift key and Command keys not working sounds like Sticky Keys became enabled in the Universal Access part of System Preferences.
Check the Universal Access control pane in System Preferences - if those features are checkmarked, try unchecking them.

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Hi Rob,
Welcome to Apple Support Communities.
It sounds like your running into an issue with the keyboard on your MacBook Pro. The article linked below provides suggestions that will resolve most keyboard issues like the one you described.
OS X Mavericks: If keys on your keyboard don’t work
http://support.apple.com/kb/PH13809
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Lenovo u310 /no touch/
Recently had keyboard problem. with 1 2 3 4 7 8 9 0 and F1 F2 F3 F6 F7 F8 F9 F10 F11 F12
keys not working. Had new clean install of windows 8, and windows 7 afterwards.
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hi ns3035,
Thank You for using Lenovo Community Forums!
I'm Thinking about stuck key or button on your system.
Can you try running Passmark Keyboard Test a key or button will show red on the image if it is being pressed or held down.
Try doing a BIOS Reset as well
Keep on hitting F2 when you turn it on,
Once inside BIOS, hit f9 to load default and f10 to save and exit
Best Regards
Solid Cruver
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I have this floating keyboard problem. Is there a fix to this?
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Link to pic of problem: http://i252.photobucket.com/albums/hh24/freaktrains/EA41C579-2212-4CCC-912D-6EB0 2D19BB81-2136-000000C6A8F32FCD_zpsa2359318.jpg

Jailbreaking voids the Apple warranty and also means that you will not get any support from Apple, including from this Apple forum. Jailbreaking can't be discussed in this Apple forum.
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If restarting the computer, logging in and out of a user account, trying a second
user account to see if the problem exists computer-wide or only in one account,
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on or off at times without a conscious effort; given pre-conditions in there.
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possibility of settings or a damaged OS X need to be weeded out. If
the hardware is known good and that includes the logic board and or
USB ports used to connect the USB standard or pro keyboard to the
Mac are good, then further investigation is required. Patient, tedious.
{If you use a powered USB hub, be sure to have the keyboard directly
plugged into the computer. A mouse can be run from a powered USB
hub, but some hubs don't work or work incorrectly in some cases with
keyboard commands on startup. And having too many things attached
in a string of USB devices (unpowered hubs, etc) can cause a brown-
out or power failure; since USB can only support a limited number of
items attached to the computer's internal powered ports. Be they USB
or FireWire, there is a limit and rules apply; should peripherals be in
a string attached to a computer, so demand won't exceed supply.}
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Hi Everyone,
I've been having an unexplainable keyboard problem all day now. The keyboard on my Macbook is unresponsive, and the trackpad is stuck on right click. BUT when I plug in a USB keyboard, both my macbook keyboard and my trackpad work after I restart. They continue to work for a little while, but a couple minutes after I unplug the USB keyboard, the both stop working again. I can't seem to figure out what the problem is. Is there anyone out there that has any experience with something like this?
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If cleaning your keyboard does not help, take the computer to an Apple store or an AASP. Whichever is more convenient for you.
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Quote from: JeanGuy on 01-September-05, 02:54:02
Hello e,
Good to see you up and running. Good luck loading up your operating system.
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Hello @reble1,
Welcome to the HP Forums, I hope you enjoy your experience! To help you get the most out of the HP Forums I would like to direct your attention to the HP Forums Guide First Time Here? Learn How to Post and More.
I have read your post on how the keyboard keys on your notebook computer are not working, and I would be happy to assist you in this matter!
To return the functionality to your notebook's keyboard, I recommend following this document on Notebook Keyboard Troubleshooting (Windows 7). This should help configure the keys on your keyboard for proper use.
Please re-post with the results of your troubleshooting, and I look forward to your reply!
Regards
MechPilot
I work on behalf of HP
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HP ProBook 4720s - Keyboard problem

Hello all,
Recently I've bought HP Probook 4720s, and sometimes keyboard stops working normally, some buttons not print on the screen (in any editor, notepad or ms word etc)
For example, if I print 10 times button "1" then "enter" in notepad, and repeat that several times, result will be:
111111111
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111111111
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111111111
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Link to video with problem demonstration: http://www.youtube.com/watch?v=zAFDb9HqEzs
Could anyone help me?
Thanks!
Actually issue described: http://h30499.www3.hp.com/t5/Notebook-HP-Compaq-Armada-EVO/HP-ProBook-4720s-Keyboard-problem/td-p/23...
Maybe here HP support can provide with some solution! Thanks.

Is the unit under warranty? The warrant status can be checked here:
http://www13.itrc.hp.com/service/ewarranty/warrantyResults.do?admit=109447627+1286541891570+28353475
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Hi, I have the same issue with my Y430 Laptop. Can you tell me what helped you to fix this issue?
keeewi wrote:
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Just before Christmas I upgraded both of them to Windows 7 Pro 64-bit. Everything seemed to work fine. However now they are both experience weird keyboard problems. When they type the keyboard will become unresponsive or delayed. Sometimes they can't type at all and some times when they type nothing will happen initially and then what they typed will show up after the fact. Usually with a delay of a couple of seconds.
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Their office is about an hour away, so I haven't had the chance yet to go over there and test out a keyboard with a USB connection rather than wireless, but aside from that I'm not sure what to try hardware wise. The keyboards they are using worked find in Vista.
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Thanks!

Hey guys,
I was also having this issue, but found that i didnt have a problem using USB connected keyboards,
Maybe give that a try?
Also try re-installing the wirless optical media kit drivers in windows device manager?
Other than that it is probably an OS issue as its not just one specific type of keyboard.
Hope this helps in som way (:
BobertWhoa

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I tried all the non-numeric keys with the blue key.
The results were;
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Keyboard ' ( )
Display > \
Looks really strange. I think I may have a wrong firmware version. (1.0610.04.04 , 19-04-06 - RM89 - Nokia E61)
What do you think?
TC

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