Serious Keyboard Key Mapping Issue

Hi there everyone...
Yesterday evening, while i was watching a movie on my Macbook, i accidentally pressed the command button, and all of a sudden the movie stopped playing.
After some research on the internet, I activated the keyboard palette, and found out that several keys had issues
1. The left command button behaved as if i was pressing command + . (period key)
2. The right command button behaved like command + up arrow key
3. The up arrow key like issue 2 above
4. The period key like issue 1 above
p.s. the up arrow and period keys arent working at all, they just behave as i explained above
Since it had to do with a modifier key, i tried to change the modifier key settings, but even though i tried accessing the modifier key settings through preferences, no pop-up window opened and no change could be made.
Even though i tried a PRAM zapping, nothing happened because as i understand it, the system doesnt recognise the shortcut, since together with command,option,p,r, the period key is seen pressed as well.
If anyone can help please do!
Thanks for your time everyone,

So I booted from the install disk.... Didnt now what exactly to do, so i use the terminal to see if the problem with the keys persisted... And unfortunately it did.... Didnt know what to do next so i quit and booted again...
But i restarted my macbook, only to boot into hardware test mode, to see if the problem really is on hardware side.
I am running an extended test, but poking around a bit, i noticed that the up arrow key worked fine...
Waiting now to see the results from the test, which i will post after it's finished.

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Hello xXenStatex,
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 understand that the alt key mapping is not working with ctrl + s on your Thin Client, and I would be happy to guide you towards a resolution!
I am sorry, but to get your issue more exposure, I would suggest posting it in the commercial forums, since this is a commercial product. You can do this at:
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I work on behalf of HP
Please click “Accept as Solution ” if you feel my post solved your issue, it will help others find the solution.
Click the “Kudos, Thumbs Up" on the right to say “Thanks” for helping!

Yet another one about key mapping

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Serious Keyboard Key Mapping Issue

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