MBP Keyboard Problems

Hi All,
I got my MBP a few months ago and for the most part it has been great. The one problem that I have though has been pretty annoying. For what seems like no reason, the keys in the 4 R F V line seem to work intermittently. I will be typing and everything will be fine, then any time I hit those keys, the letter will either not show up, or be replaced by others in the same row.
For example, I was typing an IM and all of a sudden instead of saying "great", I got gQWEUIeat.
It's not like that all the time, so I have no idea what can be causing it. I reformatted it and that seemed to help for a while, but the problem has been popping up again. I haven't installed any strange software or anything, and I figure if it was a hardware problem, it wouldn't come and go. I have never dropped or damaged the computer in any way. A friend suggested that I get a can of air and try to blast the keys in case there is something in there. I'll try it and hope it works, but I wanted to see if anyone had a similar problem? And if you have, what did you do to correct it?
Thanks!

Welcome to Apple Discussions!
Hardware problems can be intermittent, so it could actually be a hardware problem. If it does this consistently enough that you could show it to a genius, it would be worth a trip to the Apple Store. Since these keys are on a diagonal line, there could well be some sort of problem with the keyboard matrix.
If this is a hardware problem, it may come and go, but it won't ever go away by itself and will likely get worse over time. Be sure to get it evaluated while you are still under warranty.
Good luck!

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o.jens wrote:
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HELP!
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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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PROBLEM SOLVED: http://forum.archlinux-br.org/viewtopic.php?id=1257
Solution posted on Brazilian Archlinux forum. Credits to user "920608".
[cache]
/etc/xorg.conf
Section "Files"
#RgbPath "/usr/X11R6/lib/X11/rgb"
EndSection
Section "ServerFlags"
Option "AutoAddDevices" "False"
EndSection
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All relevant software updates, OS X 10.5.2.

MBP keyboard mapping in Windows http://support.apple.com/kb/HT1220
Usage of Microsofts Keyboard Layout Creator http://support.apple.com/kb/HT2587
Multi Trackpad support in Windows http://support.apple.com/kb/HT4273
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Thanks for the link, RK... lots to absorb, and hopefully some of those might be applicable in other applications. Perhaps it really comes down to which software programs I'm using, and what the developers of those programs created as shortcut commands, since it seems that some don't handle the same keyboard combinations the same way as other programs...
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Oh, and sorry, but no backlight.

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