Apple mac pro server mid 2010 User Manual

Mac Pro (Mid 2010) Symptom Charts — Computer Runs Slow with Fast/Failed Fans 111 2010-12-06
Deep Dive
CheckResultActionCode
1. Very if the issue is user 
perception of intermittent 
noisy fans. Is the computer 
running as expected 
(compared to a similar 
computer)?
YesNo problem found. Inform 
the customer the computer is 
operating normally.
NoGo to step 2.
2.  Determine if there are runaway 
applications or processes 
consuming the processors. 
Verify using ‘Activity Monitor’
YesThe application or...

Mac Pro (Mid 2010) Symptom Charts — Power Button Stuck 112 2010-12-06
6. Boot the computer from a 
known good compatible Mac 
OS X. Verify the computer 
fans are rotating at close to 
minimum speed within a few 
minutes after the computer is 
idle.
YesIssue resolved
NoGo to step 5
Power Button Stuck
Unlikely cause: Hard drive(s), optical drive(s)
Quick Check
SymptomQuick Check
Reset/Power Button Stuck
• Computer will not power on
• Computer has full speed fans 
at start up
1. Reset SMC.
2.  Inspect power...

Mac Pro (Mid 2010) Symptom Charts — Power Button Stuck 113 2010-12-06
3. Momentarily jumper SYS_PWR 
pads on the backplane board. 
(Refer to photo on “Minimum 
Configuration Testing.”) Verify 
the computer turns ON.
YesGo to step 4
NoIssue lies elsewhere. Go to 
Startup and Power Issues.
4.  Disconnect the front 
power button from the 
front panel board.  Using a 
resistance/Ohms function 
on a MultiMeter, measure 
resistance/Ohms between pins 
while actuating the button. 
Verify the switch resistance...

Mac Pro (Mid 2010) Symptom Charts — Internal Cables and Connectors Defective 114 2010-12-06
Internal Cables and Connectors Defective
Unlikely cause:  Enclosure
Quick Check
SymptomQuick Check
Internal Cables and Connectors 
Defective
Various symptoms
1. Inspect for any Open / short circuits, torn, cut, 
pinched, melted, crushed, water or other fluid, 
corrosion, snapped cables and connectors.
2.  Gently tug on each conductor ensuring they have 
not pulled from its respective connector.
3. Inspect the...

Mac Pro (Mid 2010) Symptom Charts — Mechanical/Physical Damage 115 2010-12-06
Mechanical/Physical Damage
Quick Check
SymptomQuick Check
Mechanical/Physical Damage
• Damaged ODD door(s)
• Damaged side access door
• Damaged latch mechanism
• Stripped screw/head
• Stripped screw boss
• Dent or scratch to enclosure
• Bent feet or handles
• Fluid damage or rust
• Damaged processor tray 
latches
• Damaged processor cage
• Damaged PCI port bracket and 
covers
• Damaged PCI slider
1. Determine damage caused by...

© 2010 Apple Inc. All rights reserved.
 Apple Technician Guide 
Take Apart
Mac Pro (Mid 2010)   

Mac Pro (Mid 2010) Take Apart — General Information 117 2010-12-06
General Information
Orientation
For most take-apart procedures, Apple recommends laying the computer on its side before 
removing or installing the part. For proper operation, however, Apple recommends running 
the unit in the upright position. Never operate the computer on its side with the access panel 
facing down.
Tools
The following tools are required to service all configurations of the computer:
• Magnetized Phillips #1...

Mac Pro (Mid 2010) Take Apart — General Information 118 2010-12-06
Icon Legend
The following icons are used in this chapter:
IconMeaning
Warning or caution
Check; make sure you do this
Note on Illustrations
Because a pre-production model was used for the illustrations in this manual, you may notice 
small differences between the image pictured and the computer you are servicing.  

Mac Pro (Mid 2010) Take Apart — Opening the Computer 119 2010-12-06
First Steps
• Shut down computer.
• Wait 10 minutes
• Warning: After 
you shut down the 
system, the internal 
components can be 
very hot. You must 
let the computer 
cool down before 
continuing.
• Unplug all external 
cables except power 
cord.
• Touch metal PCI cover 
on back of computer.
• Unplug power cord.
• Put on ESD strap.
Tools
• ESD wrist strap
Opening the Computer  

Mac Pro (Mid 2010) Take Apart — Opening the Computer 120 2010-12-06
Removal
1. Lift latch on back of 
computer. 
Warning: Panel edges 
can be sharp. Use care 
when handling.
2.  Remove access panel 
and place on flat 
surface covered by 
soft, clean cloth.
Reassembly Note: Make 
sure latch is in up position 
before replacing access 
panel. Otherwise,  panel 
will not seat correctly in 
enclosure.