One of the more noticeable problems many people experience while using BootCamp is that the keyboard disconnects. It seems that this does not happen for everyone/every keyboard. If you are lucky enough to be in the "disconnect camp" the following may prove useful.
My keyboard would freeze, caps lock would light up and replugging the USB brought it back. Saw a thread here with these instructions:
Go to Windoze > Start > Run > type "msconfig" > STARTUP tab > DESELECT AppleCDEject > OK > Restart
This did the trick though i still get an annoying beep/alert every few minutes which now freezez my mouse until it ends (coupla secs, still annoying when I'm in the middle of a game).
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The effect seems to be that, while the keyboard still disconnects occasionally, it automatically reconnects within a few seconds. Somehow, having the "AppleCDEject" routine loaded interferes with the reconnection. It should be noted that the real problem is the original disconnect which should not be happening but until BootCamp (or whatever follows it) fixes the problem, this may make life a little easier. I've tried it and it seems to work quite well.
NOTE: following the above suggestion will disable your keyboard's "Eject" key while within Windows. CDs and DVDs can easily be ejected in Windows by doing a right click > Eject on the disk icon.
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On a related note, I'd be interested in hearing your Bootcamp or Parallels experiences......
Wayne