Mouse jumping or not responding

I have the original bluetooth mouse that came with my iMac, this was pre mighty mouse. The problem I'm having is that the mouse sometimes does not respond or the cursor jumps around when I'm using it. It has never done this before but started about 2 or 3 weeks ago. I guess I've had this machine for 4 years...so maybe the mouse is finally giving out on me? What do you think?

Hi Barry (great name!):
It probably is the mouse. If you have an opportunity to try it on another Apple, I would do so.
You might also reset the PRAM and then restart:
http://support.apple.com/kb/HT1379
You could also trash a preference file (com.apple.bluetooth.plist) and restart.
If none of that help, I would think the mouse is failing.
Barry

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