Apple MD094LL/A Manuale Utente

iMac (27-inch, Mid 2010) Symptom Charts — Input/Output Devices 

 2010-09-09

Connection
•  Apple Wireless keyboard, Magic 

Mouse, Magic Trackpad or 
other Bluetooth input device 
loses connection

1.  Check orientation of wireless device to computer. 

Test Magic Trackpad or Magic Mouse with it 

positioned on either side of computer. 

2.  Verify that user is first clicking/pressing a key to 

wake input device (refer to kBase article: “

3.  Verify if device has been paired to computer 

previously.

4.  Remove and reinstall batteries for device.
5.  Press the power button and check that green LED 

stays on for around 3 seconds.

6.  Test with known-good batteries.
7.  Ensure that customer is not using more than 

three Dual Link Bluetooth devices, at same time 

on same computer.

8.  Ensure other devices pair and keep connection 

without issue on the computer. If not, jump to 

9.  Ensure that device is being used within 30-foot 

range for Bluetooth devices.

10. Ensure that the latest Mac OS X 10.6.x Software 

and Firmware updates have been applied.

11.  See 

1.  Open System Preferences > 

Bluetooth. Paired items and 

their connection status are 

shown. Verify if device is listed.

Yes

Device has been paired.  

Go to step 2.

No

Device is not paired. Make 

device discoverable and open 

Bluetooth Setup Assistant.  

Go to step 3.