MacBook Pro (13-inch) Symptom Charts — Communications 84
2010-09-14
AirPort/Bluetooth: Defective Wireless Devices
Unlikely cause: power adapter, battery, speakers, optical drive, hard drive, fan, microphone, top
case
Caution: When testing an AirPort card connection, wait at least 5 seconds after shutdown
before touching the camera cable connection to the logic board. Waiting less than that could
damage the AirPort 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. Verify that correct OS is installed and all software
and rmware updates have been run.
3. Check that base station is not using unsupported
connection and encryption protocols.
4. Check for nearby interference sources such as
microwave ovens or cordless phones. See
kBase #HT1365: AirPort and Bluetooth:
Potential sources of interference for wireless
devices and networks
5. Check the number of users trying to use AirPort in
the area for possible network congestion.
6. Isolate OS by booting from original install disc.
Attempt to connect to base station (AirPort) or
pair with wireless keyboard (Bluetooth).
7. Reset PRAM.
Deep Dive
Check Result Action Code
1. Open System Proler, check
to see if AirPort and Bluetooth
are recognized. Run Clamshell
Service Diagnostic and check
for all devices’ presence.
Yes (AirPort) Ensure MAC address
ltering is not enabled on the
base station. Go to step 2.
(Bluetooth) Ensure
target devices are set to
discoverable.
No AirPort and/or Bluetooth not
recognized. Go to step 4.
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