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Apple mac pro early 2009 User Manual

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Page 61

Mac Pro (Early 2009) Symptom Charts — No/Poor Wireless Signal 61 2010-09-27
No/Poor Wireless Signal
Unlikely cause: power supply, fans, speaker, optical drives, hard drives, processor board, front 
panel board, memory
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 (http://support.apple.com/kb/
HT1365).
2....

Page 62

Mac Pro (Early 2009) Symptom Charts — No/Poor Wireless Signal 62 2010-09-27
2. Verify the card is the correct 
part for the product and 
region by cross referencing 
the EEE code and GSX part 
number.
YesIncorrect AirPort card. Earlier 
revision AirPort cards  from 
other computers may fit but 
not operate correctly.
N04
NoGo to step 3
3. Reseat the AirPort card on the 
backplane board.
YesLoose backplane board 
connection. Verify operation 
of AirPort card by connecting 
to a wireless network and...

Page 63

Mac Pro (Early 2009) Symptom Charts — Wireless Input Device Loses Connection 63 2010-09-27
Wireless Input Device Loses Connection
Unlikely cause: power supply, fans, speaker, optical drives, hard drives, processor board, front 
panel board, backplane board
Quick Check
SymptomQuick Check
Wireless Input Device Loses 
Connection
Drops connection
1. Check Bluetooth input device has fully charged 
batteries.
2.  Isolate OS by booting from original install media 
(10.5.x). Attempt to pair with wireless...

Page 64

Mac Pro (Early 2009) Symptom Charts — Wireless Input Device Loses Connection 64 2010-09-27
4. Is Bluetooth pairing with user’s 
Bluetooth device?
YesConnection established, 
continue testing for 
connection loss, go to step 8
NoCheck for software updates 
for both computer & device.   
K07
5. Reseat the Bluetooth module 
on the backplane board.  
Reseat and verify the Antenna 
connection to the Bluetooth 
card is not loose, damaged or 
incorrectly attached to AirPort 
antenna board. 
YesLoose backplane...

Page 65

Mac Pro (Early 2009) Symptom Charts — AirPort Card: Kernel Panic 65 2010-09-27
AirPort Card: Kernel Panic
Unlikely cause: power supply, fans, speaker, optical drives, hard drives, processor board, front 
panel board
Quick Check
SymptomQuick Check
AirPort Card: Kernel Panic
• Kernel panic on boot
• Kernel panic or freezing while 
attempting to connect to 
AirPort/Wi-Fi networks
• Kernel panic while transferring 
data on Wi-Fi networks.
1. Isolate OS by booting from original install media 
(10.5.x). Try to...

Page 66

Mac Pro (Early 2009) Symptom Charts — Wireless Performance Issue / Slow Connection 66 2010-09-27
4. Isolate AirPort card by 
removing the card from the 
backplane board. 
 
Verify if Kernel Panic condition 
still occurs.
YesIf the kernel panic no longer 
occurs, continue to step 5
NoIf the kernel panic still occurs 
with AirPort card isolated 
from computer, go to 
Memory Issues/Kernel Panic 
and Freezes.
5. Install a known good AirPort 
Extreme Card compatible with 
computer.   
 
Verify if kernel panic...

Page 67

Mac Pro (Early 2009) Symptom Charts — Wireless Performance Issue / Slow Connection 67 2010-09-27
Deep Dive
CheckResultActionCode
1. Inspect the AirPort and 
Bluetooth Antenna boards for 
damage or obstruction. 
YesRecord damage: Proceed 
to possibly repair damaged 
parts, go to 2 
G + 
Code
NoNo visible damage, go to 2
2.  Verify the AirPort and 
Bluetooth Antenna boards are 
the the correct parts for the 
product. 
YesIncorrect AirPort or 
Bluetooth antenna board. 
Antenna boards from earlier 
computers...

Page 68

Mac Pro (Early 2009) Symptom Charts — Wireless Input Device Doesn’t Pair 68 2010-09-27
6. (AirPort) Try a known good 
AirPort card compatible with 
product
YesReplace AirPort cardN12
NoReplace backplane board.M11
7. (Bluetooth) Re-enable BT. 
Reseat the Antenna connection 
to the Bluetooth module. Verify 
the antenna connection is not 
loose, damaged or incorrectly 
attached to AirPort Antenna.
YesLoose connection or  crossed 
antenna
N04
NoIf the connectors are secure, 
antenna connections not 
reversed...

Page 69

Mac Pro (Early 2009) Symptom Charts — Wireless Input Device Doesn’t Pair 69 2010-09-27
Deep Dive
CheckResultActionCode
1. System Profiler should list 
Bluetooth radio device under 
system hardware.  Is Bluetooth 
device available?
YesBluetooth Radio present, 
verify BT preference settings, 
go to 2
NoAttempt Bluetooth repair, go 
to step 5.
2.  System Preferences has a 
Bluetooth preference panel. 
Ensure Bluetooth is on and 
discoverable. Attempt to pair 
devices. Are there any devices 
listed in the...

Page 70

Mac Pro (Early 2009) Symptom Charts — Uncategorized Symptom 70 2010-09-27
7. (Bluetooth) Try a known good 
Bluetooth antenna board.
YesReplace Bluetooth antenna 
board.
N14
NoReplace backplane board.M11
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...
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