The Apple Remote is really useful at times when you want to watch / listen to something but don’t want to go near your computer. For me…I use it every time I have lunch in front of my iMac….I will sit far back with my lunch and use my remote controller (with the help of Front Row) to watch an episode of family guy 
But what if you have more than one Mac in your room / area? By default, Macs will work with any available remote, so how can we change that and pair our remote to one particular Mac only? Well, actually its very easy, and here is how:
Hold your Apple Remote close to the Mac that you want to pair with, and hold the Menu and Next buttons at the same time:
tips: if you press the Next button before the Menu button, you have a smaller chance of activating Front Row.
After a few seconds, you should be able to see the following symbol appearing on your screen:
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Now you have faired your Apple Remote with your Mac…what if you want to unpair it? Here is how:
Step 1. Go to System Preferences -> Security:
Step 2. Click on the Unpair button to unpair your Apple Remote with your Mac.
After you have unpaired your Apple Remote, the button should look like this:
Actually, i have heard Entertainment Desktop PCs, that too with Vista, there are more option in Remote Control
Is this Remote Control working with Vista ? Did u check that?
Hi Chaks, it works with Vista
Cool, I am searching for remote atm, but Dell isnt providing one for NZ. However Dell has for US customers..grrr…and I couldnt find one at DSE or Harvey Norman
Thanks for the post. I’ve struggled trying to figure out how to unpair the remote and your post makes it simple. Never would’ve thought it’s in Security.
Re Joe Young: am glad my post helped you