Apple Technician Guide MacBook Pro (17-inch, Early 2009) - tim.id.au

2010-06-11
8. Continue to test a known-good
Bluetooth device to determine
if there is a disconnect. Do
not allow computer to sleep
during this test. Is link lost
during test?
AirPort Card: Kernel Panic
Yes Check for software update,
2.4 GHz radio interference or
device low battery.
If still losing link, replace
Bluetooth card.
If installed Bluetooth card is
known-good or was already
replaced, replace top case (for
Bluetooth antenna).
No Known-good device passed
test.
Unlikely cause: power adapter, battery, speakers, optical drive, hard drive, fan, camera,
microphone, top case
Quick Check
Symptom Quick Check
AirPort Card: Kernel Panic
• Kernel panic on boot
• Kernel panic or freezing while
attempting to connect to Wi-Fi
networks
• Kernel panic while transferring
data on Wi-Fi networks.
Deep Dive
N14
N14
1. Isolate OS by booting from original install media
(10.5.x). Attempt to connect to Wi-Fi network.
2. Use Software Update to make sure all AirPort
software and firmware updates have been
applied.
Check Result Action Code
1. Use Software Update to make
sure all AirPort/Bluetooth
software and firmware updates
have been applied. Ensure
MAC address filtering is not
enabled on the base station. Is
kernel panic resolved?
Yes Software issue.
No Go to step 2.
MacBook Pro (17-inch, Early 2009) Symptom Charts — Communications 63