Apple macbook pro 15 inch late 2008 User Manual

MacBook Pro (15-inch, Late 2008) Symptom Charts — Communications 61 2010-06-15
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.
YesReplace AirPort antenna.N14
NoContinue to use known good 
antenna, go to step 5.
5. Try a...

MacBook Pro (15-inch, Late 2008) Symptom Charts — Communications 62 2010-06-15
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, Late 2008) Symptom Charts — Communications 63 2010-06-15
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?  
YesCheck 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).
 
 
 
N14...

MacBook Pro (15-inch, Late 2008) Symptom Charts — Communications 64 2010-06-15
2. Run Clamshell Service 
Diagnostic utility and check 
for all devices presence. If not 
found, reseat the camera cable 
connection to the logic board.  
Is kernel panic resolved?
YesGo to step 4.
NoGo to step 3.
3. Isolate AirPort card by 
removing the I/O connection 
from the AirPort card. side.  
Reconnect camera cable 
connection to logic board.  Is 
kernel panic resolved?
YesGo to step 4.
NoGo to M06 Kernel Panic /...

MacBook Pro (15-inch, Late 2008) Symptom Charts — Communications 65 2010-06-15
Wireless Performance Issue / Slow Connection
Unlikely cause:  power adapter, battery, speakers, optical drive, hard drive, fan, camera, 
microphone, top case
Quick Check
SymptomQuick Check
Wireless Performance Issue / 
Slow Connection
• Slow or stalled data transfers
• Intermittent connection 
dropouts
1. Check for nearby interference sources in the 
2.4/5GHz range such as microwave ovens or 
cordless phones (Knowledge Base...

MacBook Pro (15-inch, Late 2008) Symptom Charts — Communications 66 2010-06-15
2. Turn off Bluetooth.  Retest 
AirPort performance.    
Refer to Knowledge Base 
TS1809.
YesPossible AirPort interference 
from the Bluetooth card. 
Change AirPort base station 
channel. (Knowledge Base 
TS1809.)
N06
NoContinue by checking 
connections, go to step 3
3. Run Clamshell Service 
Diagnostic utility and check 
for all devices presence. If not 
found, reseat the camera cable 
connection to the logic board.
YesLoose...

MacBook Pro (15-inch, Late 2008) Symptom Charts — Communications 67 2010-06-15
9. (Bluetooth) Enable Bluetooth 
and try a known-good antenna  
assembly if available. Verify 
that pairing issue is fixed.
YesReplace top case.N14
NoGo to step 10.
10.  (Bluetooth) Enable Bluetooth 
and try a known-good display 
assembly if available. Verify 
that Bluetooth is pairing with 
known-good device.
YesReplace display assembly.L16
NoReplace logic board.M11
Wireless Input Device Doesn’t Pair
Unlikely cause:  display...

MacBook Pro (15-inch, Late 2008) Symptom Charts — Communications 68 2010-06-15
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 discoverable mode,     
Is system pairing with known-
good device?
YesPairing verified, connect with...

MacBook Pro (15-inch, Late 2008) Symptom Charts — Communications 69 2010-06-15
Uncategorized Symptom
Quick Check
SymptomQuick Check
Uncategorized Symptom
Unable to locate appropriate 
symptom code
Verify whether existing symptom code applies to  the 
issue reported by the user. If not, document reported 
symptom and send feedback to smfeedback@apple.
com stating that a suitable symptom code could not 
be found.  

MacBook Pro (15-inch, Late 2008) 70 2010-06-15
Display
Display Anomalies
Quick Check
SymptomQuick Check
Display Anomalies
• Incorrect/missing colors
• Distorted/blurred image
• Pixel anomalies
• Vertical/horizontal lines 
• Non-uniform brightness
• Image flicker
• Image persistence
1. Allow display to reach normal operating 
temperature for about 15 minutes before 
evaluating front-of-screen performance.
2.  Check display preferences for use of custom 
display profile.
3. Check brightness setting.
4....