Apple MD094LL/A ユーザーズマニュアル

iMac (27-inch, Mid 2010) Symptom Charts — Communications 

 2010-09-09

1.  Without any wired input 

devices connected, and with a 

known-good wireless mouse or 

trackapd in discoverable mode, 

startup the computer. Verify if 

computer shows the Bluetooth 

Mouse Setup Assistant.

Yes

Bluetooth hardware is active. 

Go to step 6.

No

Go to step 2.

2.  Connect a wired mouse and 

run Apple System Profiler. Verify 

if Bluetooth interface is listed 

under USB in System Profiler.

Yes

Bluetooth hardware is 

present. Go to step 6.

No

Remove glass and LCD panel, 

reseat both ends of cable 

between Bluetooth board and 

logic board. Go to step 3.

3.  Using an externally connected 

display, run Apple System 

Profiler and verify if Bluetooth 

interface is listed under USB in 

System Profiler.

Yes

Bluetooth hardware is now 

present. Go to step 6.

No

Replace Bluetooth cable.  

Go to step 4. 

4.  Run Apple System Profiler. 

Verify if Bluetooth interface 

is listed under USB in System 

Profiler.

Yes

Bluetooth hardware is now 

present. Go to step 6.

No

Replace Bluetooth board.  

Go to step 5.

5.  Run Apple System Profiler. 

Verify if Bluetooth interface 

is listed under USB in System 

Profiler.

Yes

Bluetooth hardware is now 

present. Go to step 6.

No

 Replace logic board.

6.  Run Software Update and 

apply any available Bluetooth 

updates. Activate Bluetooth 

in System Preferences (or 

Apple menu icon) then select 

“Configure a new Bluetooth 

device” (or run Bluetooth 

Mouse Setup Assistant). Verify 

if a known-good Bluetooth 

mouse/trackpad is seen.

Yes

Bluetooth discovery is now 

active. Go to step 7.

No

Replace Bluetooth antenna.

7.  With a known-good Bluetooth 

mouse/trackpad on and in 

discoverable mode, verify if  

you can successfully pair the 

device with the assistant.

Yes

Check for stability.  

Go to step 8.

No

Go to 

 symptom 

flow.