How to I make Keyboard Speed faster in Windows?

Im trying to speed up the speed at which I can navigate across the screen using left and right arrow keys. The fastest speed available via Control Panel, 'keyoard', 'repeat rate' is too slow for me. I have applied the registry modifications to increase all nodes featuring KeyboardSpeed from the default 30 to 80 or even 200 without any discernible increase in speed. This process is shown at   

This is pretty widely described so presumably works for most folks. Any ideas why it wont work for me? Running Win XP SP3.  Thanks for your help.
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There may (and im sure there is) be a limit to the number of times a second the keyboard sends the signal to the computer. This could be your limiting factor.
I hope this helps. Good luck.

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Sam CohenConsultant to Digital/DeveloperCommented:
if it is wifi keyboard , change batteries.
There should be a keyboard settings in control panel.

Download the driver for the keyboard if there is one.
mikehudson1Author Commented:
1) It's not a wifi keyboard.

2) I suppose it's possible the keyboard itself has a limit to the amount of signals it can send per second but I doubt this is the problem.
I believe I did answer his question in my post and in the authors post he stated it may be the correct answer.
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Windows XP

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