Apple mac pro server mid 2010 User Manual

Mac Pro (Mid 2010) Symptom Charts  41 2010-12-06
9. √ Computer powers on
√ Startup sound chime 
√ Video present
√ Boots from Install DVD and drive
√ Reaches the desktop without kernel 
panic/freezes 
√ Computer sleeps/wakes and does 
not shutdown
√ USB and FireWire functional
√ Ethernet /AP works
√ Bluetooth works.
Check for correct sound input/
output setup in System Preferences 
Sound, then connect audio source 
and headphones and check to see 
if alternate audio in and out ports 
are detected. Record...

Mac Pro (Mid 2010) Symptom Charts — No Power/Dead Unit 42 2010-12-06
Startup and Power Issues
Follow the steps in the order indicated below. If an action resolves the issue, retest the 
computer to verify. If the issue persists after retesting, return to step 1.
No Power/Dead Unit
Unlikely cause:  Optical drive(s), hard drive(s), fans, memory, processors, PCIe cards, speaker, 
AirPort card, Bluetooth card
Quick Check
SymptomsQuick Check
No Power/Dead Unit
No power
No front panel power/sleep LED
No...

Mac Pro (Mid 2010) Symptom Charts — No Power/Dead Unit 43 2010-12-06
Deep Dive
CheckResultActionCode
1. Verify that connection 
between power supply 
and backplane board is 
undamaged and secure. Verify 
that power button and front 
panel board cable connections 
to the front panel board are 
undamaged and secure. See 
Functional Overview.
YesGo to step 2
NoReseat all connectors and 
retest.
2.  Connect AC power cord to the 
computer. Verify the 5V STBY 
LED illuminates when you 
press the DIAG button on...

Mac Pro (Mid 2010) Symptom Charts — No Power/Dead Unit 44 2010-12-06
6. Reconnect the processor 
board without processors. 
Press power button and verify 
computer turns ON. You can 
tell if the computer has started 
up by fans and LEDs. There is 
no other activity since there 
are no processors.
YesAdd processor A and retest. 
If computer power remains 
stable, the power issue is 
resolved.
NoGo to step 1.  

Mac Pro (Mid 2010) Symptom Charts — Intermittent Shutdown 45 2010-12-06
Intermittent Shutdown
Unlikely cause:  Optical drive(s), hard drive(s), fans, memory, processors, PCIe cards, speaker, 
AirPort card, Bluetooth card
Quick Check
SymptomsQuick Check
Intermittent Shutdown
• Computer intermittently shuts 
down, restarts, sleeps
• Fans run fast
• Slow computer performance 
prior to intermittent shutdown, 
restart, sleep
1. Confirm known good AC power source, and a 
known good power cord is fully inserted...

Mac Pro (Mid 2010) Symptom Charts — Intermittent Shutdown 46 2010-12-06
Deep Dive
CheckResultActionCode
1. Verify shutdown/restart/
sleep issue does not occur 
with a known good AC 
Mains power source. Rule out  
customer environment such 
as defective, uninterruptable 
power supplies. Rule out 
power generators which may 
produce noisy power, straining 
the computer’s internal power 
supply and causing issues. 
YesSuspect unstable AC Mains 
power source. Using an 
alternate AC Mains power 
source...

Mac Pro (Mid 2010) Symptom Charts — Intermittent Shutdown 47 2010-12-06
6. Disconnect all internal boot 
volumes. The computer should 
not discover any boot volumes 
and should start to the flashing 
“Folder?” Verify if the computer 
continues to intermittently 
shutdown/restart/sleep 
YesComputer continues to 
shutdown/restart/sleep.  Refer 
to Minimum Configuration 
Testing troubleshooting: 
Remove all modules and 
peripherals not critical 
to operation. Verify that 
computer functions correctly 
and...

Mac Pro (Mid 2010) Symptom Charts — Memory Issues/Kernel Panic and Freezes 48 2010-12-06
Memory Issues/Kernel Panic and Freezes
Unlikely cause:  Power supply, fans, enclosure
Quick Check
SymptomsQuick Check
Memory Issues/Kernel Panic and 
Freezes
• Computer has kernel panic 
or freezes on startup, when 
waking from sleep, or during 
normal operation
• Memory not recognized in 
System Profiler
• Fans run fast
1. Reseat all DIMMs. Refer to Memory Diagnostic 
LEDs. 
2.  Reset SMC
3. After power ON, verify...

Mac Pro (Mid 2010) Symptom Charts — Memory Issues/Kernel Panic and Freezes 49 2010-12-06
Deep Dive
CheckResultActionCode
1. Remove and reseat all DIMM’s.  
 
If any memory diagnostic 
LEDs are illuminated on the 
processor board, refer to 
Troubleshooting Memory 
LEDs before proceeding.
 
Verify the computer starts 
without issue.
YesReseating the DIMMs 
appears to resolve issue. 
Verify computer continues to 
function without freezing or 
kernel panic.
NoComputer had kernel panic 
or freeze during boot....

Mac Pro (Mid 2010) Symptom Charts — Memory Issues/Kernel Panic and Freezes 50 2010-12-06
6. Inspect if any memory error 
LEDs are illuminated. Install 1 
only known good compatible 
memory DIMM in memory 
slot #1. Verify computer boots 
without kernel panic or freeze.
YesComputer boots without 
kernel panic or freeze with 
only 1 DIMM installed.  
Re-install the customer 
memory (using optimized 
recommend configurations) 
until the at-fault memory is 
identified. Use extra known 
good memory to identify...