 Apple Technician Guide MacBook Pro (15-inch, Mid ... - tim.id.au

2010-08-05
AirPort/Bluetooth: Defective Wireless Devices
Unlikely cause: power adapter, battery, speakers, optical drive, hard drive, fan, camera,
microphone, top case
Caution: When testing an AirPort/Bluetooth card connections, wait at least 5 seconds after
shutdown before touching the AirPort/Bluetooth flex cable connections to card and to the
logic board .Waiting less before touching could damage the AirPort/Bluetooth card.
Quick Check
Symptom Quick Check
AirPort or Bluetooth: Defective
Wireless Devices
• Unable to join networks or pair
devices
• Card not available or
recognized
• Intermittent device or
connection dropouts
1. Open System Preferences and make sure AirPort
or Bluetooth is turned on and (for AirPort) that a
network is selected.
2. Ensure available software and firmware updates
have been applied.
3. Reset PRAM
4. (AirPort) Using System Profiler,/AirPort channel list,
check that installed AirPort card model supports
the Base Station channel.
5. (AirPort) Check that base station is not using
unsupported connection or encryption protocols.
6. (AirPort) Check for nearby interference sources
such as microwave ovens or cordless phones
(Knowledge Base HT1365)
7. (AirPort) Check the number of users trying to
use AirPort in the area for possible network
congestion.
8. (Bluetooth) Test with known-good Bluetooth
device.
9. Isolate OS by booting from original install
media (10.6.x). Attempt to connect to base
station (AirPort) or pair with wireless keyboard
(Bluetooth)..
MacBook Pro (15-inch, Mid 2010) Symptom Charts — Communications 52