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Question: Apple USB Mouse in OS 10.11.6

I have an Apple USB mouse. OS 10.11.6 I want to have both left and right clicks as primary. I have set this in system preferences but it still wont work. If I change the left to be secondary and the right to be primary, this doesn't work either. The Mouse is only new and I have tested it on OS10.6.8 and it works fine. Other operations such as trackball and side buttons can be changed and the changes applied. Any suggestions?

24' iMac

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Things you can try…

1. Reset NVRAM

2. Reset SMC

3. Test while in Safe Mode

4. Create a new user account and test.

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Mar 12, 2018 12:43 AM in response to dialabrain In response to dialabrain

Thank you for this. I am kicking myself NVRAM!! thats the first thing I do when trouble shooting and I do it all the time and guess what I forgot to do with this particular machine. Mate I feel like a goose. Thanks again all fixed.

Mar 12, 2018 12:43 AM

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Question: Apple USB Mouse in OS 10.11.6