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Discussion in 'MacBook Pro' started by jdaniel, Aug 19, 2015.
I have a Mac TB display attached to my Mac I hear this could be an issue but what's the fix?
1. Does the problem occur when the external display is not plugged in?
2. Have you restarted?
Normally I'd guess that it is a hardware issue with the trackpad if a restart didn't solve it.
I seldom ever use the Mac with out the display I guess I can try, restarted 1001 times lol not a new issue been happening a while with or without the BT mouse. But not tried much without the TBD
What mouse are you using?
Do you ever use the built-in trackpad?
If this (erratic cursor) has just recently started, and is getting worse, I would suspect that the battery is swelling, pushing up against the trackpad, which can often result in the cursor moving erratically, even if you never touch the trackpad. A swelling battery would also do that if you use your MBPro with the lid closed (clamshell mode), and you don't usually use the trackpad at all.
I have a Plantronics Edge UC (not the Lync version). I also use an Apple Magic Trackpad and Logitech K811 keyboard with my rMBP and with my Mini Server (I have two sets, one for each Mac). The UC version of the Edge ships with a BT 3 dongle (for dictation, Skype), even though the Edge is BT 4 compatible.
About 19 times out of 20, when my Edge UC is paired with my Mac or iPhone and the iPhone gets a call my mouse cursor goes absofrickinlutely nuts - dancing all over my display screen with Sound Effects Pref Pane feedback going "nuts". I moved my Edge UC several feet away from my Macs and connecting cables - no problems since. I'm not chalking up the conflict to my BT device but, rather, the unshielded cable that shipped with my Edge UC handset - I'm going to buy some shielded cables in the next couple of weeks. I've noted similar issues with unshielded USB 3 cables, FWIW.