How do I correct problems with my trackpad where it is either unresponsive to my finger as a mouse or the cursor appears to move on its own at times?
Reset SMC. http://support.apple.com/kb/HT3964
Choose the method for:
"Resetting SMC on portables with a battery you should not remove on your own".
If these steps do not help, contact Apple.
Portables and Magic Trackpad: Jumpy or erratic trackpad operation
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