Apple Macbook Pro Aluminum 13-Inch Black Laptop Keyb Technical Guide - Page 60

2. Run Clamshell Service Yes Diagnostic utility and check for all devices presence. If not found, reseat the camera cable No connection to the logic board. 3. Verify the antenna connections Yes to the AirPort card are not reversed or loose. Reseat antenna and I/O cable No connections. 4. Try a known-good AirPort Yes antenna. No 5. Try a known-good AirPort card. Yes No 6. Try a known-good display Yes assembly if available. No Loose logic board connection N04 Go to step 3. Loose connections or crossed N04 antenna If the connectors are secure, antenna connections not reversed and show no signs of damage or wear, go to step 4. Replace AirPort antenna. N14 Continue to use known good antenna, go to step 5. Replace AirPort card. N12 Continue to use known-good antenna & card; go to step 6. Replace display assembly. L16 Replace logic board. M11 Wireless Input Device Loses Connection Unlikely cause: display assembly, speaker assembly, optical drive, hard drive 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 Wireless Input Device Loses Connection Quick Check Check Bluetooth input device has fully charged batteries. 2010-06-15 MacBook (13-inch, Aluminum, Late 2008) Symptom Charts - Communications 60