Magic Mouse - Replaced Batteries - Green light not on

Hi,
I had a message on my imac to say that the batteries in my magic mouse were at 70% so I have replaced the batteries with duracell ones. Now when I turn on the mouse I dont get a green light, and the imac doesnt recognise the mouse.
I have tried putting the old batteries back in but still the light doesn't come on.
The iMAC is less than six months old.
Thanks
Pete

Pete,
Make sure the batteries are fresh and the the positive terminal of both batteries face the same direction, up.
Regards
http://support.apple.com/kb/HT3903#AppleMagicMouse

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Magic Mouse - Replaced Batteries - Green light not on

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