Apple macbook pro 15 inch mid 2009 User Manual

MacBook Pro (15-inch, Mid 2009) Symptom Charts — Communications 61 2010-12-15
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 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
SymptomQuick Check
AirPort or Bluetooth:  Defective...

MacBook Pro (15-inch, Mid 2009) Symptom Charts — Communications 62 2010-12-15
2. Run Clamshell Service 
Diagnostic utility and check 
that all devices are found. If 
not, reseat the camera cable 
connection to the logic board. 
YesLoose logic board connection.N04
NoAirPort issue, go to step 3,  
Bluetooth issue go to step 7.
3. (AirPort) Verify the antenna 
connections to the AirPort 
card are not reversed or loose. 
Reseat antenna and I/O cable 
connections.
YesLoose connections or crossed 
antenna....

MacBook Pro (15-inch, Mid 2009) Symptom Charts — Communications 63 2010-12-15
No/Poor Wireless Signal
Unlikely cause:  power adapter, battery, speakers, optical drive, hard drive, fan, camera, 
microphone, top case
Quick Check
SymptomQuick Check
No/Poor Wireless Signal
• Unable to find networks
• Intermittent connection 
dropouts
• Slow transfer speeds
1. Check for nearby interference sources in the 
2.4/5GHz range such as microwave ovens and 
cordless phones (Knowledge Base HT1365).
2.  Check that...

MacBook Pro (15-inch, Mid 2009) Symptom Charts — Communications 64 2010-12-15
3. Verify the antenna connections 
to the AirPort card are not 
reversed or loose. Reseat 
antenna and I/O cable 
connections.
YesLoose connections or crossed 
antenna
N04
NoIf the connectors are secure, 
antenna connections not 
reversed and show no signs 
of damage or wear, go to step 
4.
4.  Try a known-good AirPort 
antenna , retest and verify that 
issue is fixed..
YesReplace user’s AirPort 
antenna.
N14
NoContinue to use...

MacBook Pro (15-inch, Mid 2009) Symptom Charts — Communications 65 2010-12-15
2. System Preferences has a 
Bluetooth panel. Ensure 
Bluetooth is on and 
discoverable. Are there any 
devices listed in pairing 
window?
YesChoose known-good device 
and establish a connection. 
Go to step 3.
NoAttempt Bluetooth repair, go 
to step 5.
3. Ensure a known-good 
Bluetooth device is on, in close 
range and in discoverable 
mode.  Is computer pairing 
with known-good device?
YesPairing verified, connect with...

MacBook Pro (15-inch, Mid 2009) Symptom Charts — Communications 66 2010-12-15
8. Continue to test user’s 
Bluetooth device to determine 
if there is a disconnect.  Do not 
allow computer to sleep during 
this test.  Is link lost during 
test?  If link is lost during start 
up, turn on System Preferences: 
Bluetooth: Advanced:  “Open 
Bluetooth Setup Assistant at 
start up when no input device 
is present”.
YesCheck for software update, 2.4 
GHz radio interference, device 
low battery or user’s device...

MacBook Pro (15-inch, Mid 2009) Symptom Charts — Communications 67 2010-12-15
3. Isolate AirPort card by 
removing the I/O connection 
from the AirPort card.  
Reconnect camera cable 
connection to logic board.  Is 
kernel panic resolved?
YesGo to step 4.
NoGo to M06 Kernel Panic / 
System Crashes.
4.  Connect and test with a 
known-good AirPort card.  Is 
kernel panic resolved?
YesReplace AirPort card.N13
NoReplace display assembly.L16
Wireless Performance Issue / Slow Connection
Unlikely cause:  power...

MacBook Pro (15-inch, Mid 2009) Symptom Charts — Communications 68 2010-12-15
Deep Dive
CheckResultActionCode
1. Inspect the display clutch 
barrel for damage.  AirPort 
radio is in display clutch barrel 
area. 
YesRecord damage:  Proceed 
to possibly repair damaged 
parts, go to step 2 
NoNo visible damage, go to step 
2
2.  Turn off Bluetooth.  Retest 
AirPort performance.     
Refer to Knowledge Base 
TS1809.
YesPossible AirPort interference 
from the Bluetooth card. 
Change AirPort base station...

MacBook Pro (15-inch, Mid 2009) Symptom Charts — Communications 69 2010-12-15
8. (Bluetooth) Enable Bluetooth 
and try a known-good 
Bluetooth card if available. 
Verify that Bluetooth is pairing 
with known-good device. 
YesReplace Bluetooth card.N15
NoGo to Defective Wireless 
Devices.
Wireless Input Device Doesn’t Pair
Unlikely cause:  display assembly, logic board, optical drive, hard drive
Quick Check
SymptomQuick Check
Wireless Input Device Doesn’t 
Pair
• Can’t get the system to 
recognize the...

MacBook Pro (15-inch, Mid 2009) Symptom Charts — Communications 70 2010-12-15
3. Ensure a known-good 
Bluetooth device is on, in close 
range and discoverable mode,     
Is system pairing with known-
good device?
YesPairing verified, connect with 
user’s device, go to step 4.
NoAttempt Bluetooth repair, go 
to step 5.
4.  Is Bluetooth pairing with user’s 
Bluetooth device?
YesIssue resolved.
NoCheck for SW update for both 
System and user device.   
5. Run Clamshell Service 
Diagnostic utility and check...