Apple MD094LL/A 用户手册

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

 2010-09-09

2.  Make sure device is on. 

In System Preferences > 

Bluetooth, select device and 

from the Action menu (gear) 

choose “Connect”. Verify if 

device connects successfully.

Yes

Go to step 7.

No

Delete pairing in System 

Preferences. Go to step 3.

3.  With the device on, run 

Bluetooth Setup Assistant. 

Verify if you can successfully 

pair the device.

Yes

Go to step 7.

No

Restart computer.  

Go to step 4.

4.  With device on, run Bluetooth 

Setup Assistant. Verify if you 

can successfully pair device.

Yes

Go to step 7.

No

Create a new Admin User.  

Go to step 5.

5.  Log into new Admin User 

account. With device on, run 

Bluetooth Setup Assistant. 

Verify if you can successfully 

pair device with new user 

account.

Yes

User account issue. 

Troubleshoot software on 

User account. No hardware 

repair needed.

No

Remove the following file: /

Library/Preferences/com.

apple.Bluetooth.plist 

Go to step 6.

6.  Restart computer, With device 

on, run Bluetooth Setup 

Assistant. Verify if you can 

successfully pair device.

Yes

Go to step 7.

No

Go to 

 symptom flow.

7.  With device paired and 

connected, verify if device 

connection is stable if used 

normally.

Yes

Issue resolved.

No

Check wireless device manual 

to verify if device is being 

used in accordance with 

manufacturer’s specifications 

(range, OS support, battery 

types). Go to step 8.

8.  Verify if Apple wireless input 

device is performing to stated 

specifications.

Yes

Educate user. Issue resolved.

No

Replace defective Apple 

wireless input device 

according to symptom:

-intermittent stops 

responding 

-gestures do not work 

-battery life too short