iMac Pairs with iMac Using Bluetooth: Mouse Gets Whacked

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Level 1

5 points

iMac Pairs with iMac Using Bluetooth: Mouse Gets Whacked

Among the many problems I've noted after upgrading to Yosemite is that one of the two iMacs I have in close proximity to each other tries to connect via Bluetooth to the other one. When this happens the mouse on the iMac that is trying (or is) connected to the other iMac starts getting whacked out. If I click on the Bluetooth icon, it will show the other iMac, mouse, keyboard as connected bluetooth devices. If I click on DISCONNECT for the connected iMac, the mouse starts acting normal until the machine decides to try to reconnect to the other iMac. I've tried the following with no change in the problem:

Baremetal install of Yosemite on the iMac that keeps trying to connect to the other one
Making sure Bluetooth sharing is unchecked in the SHARING part of setup (both machines)
Resetting PRAM/SMC
Wi-Fi is off on both machines BTW

Anyone have any ideas? This is getting old.

iMac, OS X Mavericks (10.9)

Posted on Dec 11, 2014 7:12 AM

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Answer 1

Linc Davis

Level 10

209,739 points

Dec 11, 2014 8:13 AM in response to Little-Evil

If I click on DISCONNECT

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Answer 2

Little-Evil Author

Level 1

5 points

Dec 11, 2014 8:42 AM in response to Linc Davis

Here you go. Notice the "Allen's iMac" in addition to the mouse and keyboard.

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Answer 3

Linc Davis

Level 10

209,739 points

Dec 11, 2014 9:00 AM in response to Little-Evil

"Allen's iMac" is the one with the problem.

Back up all data before proceeding.

Triple-click anywhere in the line below on this page to select it:

/Library/Preferences/com.apple.Bluetooth.plist

Right-click or control-click the highlighted line and select

Services ▹ Reveal in Finder (or just Reveal)

from the contextual menu.* A folder should open with an item selected. Move the selected item to the Trash. You may be prompted for your administrator login password. Restart the computer and empty the Trash. If the problem is solved, recreate your settings in the Bluetooth preference pane, including all pairings. Otherwise, you can restore the file you deleted from the backup. Post your results.

*If you don't see the contextual menu item, copy the selected text to the Clipboard by pressing the key combination command-C. In the Finder, select

Go ▹ Go to Folder...

from the menu bar and paste into the box that opens by pressing command-V. You won't see what you pasted because a line break is included. Press return.

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Answer 4

Little-Evil Author

Level 1

5 points

Dec 11, 2014 9:38 AM in response to Linc Davis

Thanks. I've implemented the fix you suggested. Sometimes it takes a while for the problem to show up again. I'll let you know if this fixes it. I verified that the plist was in fact nuked and that the mac created a new one by looking at the time stamp on it. However, all my pairings and settings WERE retained i.e. didn't need to pair again or change any mouse settings. Did I did I mess something up?

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