Apple MC408LL Apple Technician Guide - Page 29

AirPort Card Kernel, Panic, Hard Drive Not, Recognized, Optical Drive not, sensor, ODD/HD sensor

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2010-08-03 2. Remove all external peripheral Yes Add peripheral devices one at devices including keyboard and a time and restart each time mouse. Does computer now until the kernel panic repeats. start without any kernel panic? Replace device whose addition causes the issue. No Go to step 3. 3. Use known-good SDRAM in Yes Install user's SDRAM and test. X01 the system. Does the computer If kernel panic repeats, replace start without kernel panic now? SDRAM. Verify that the correct SDRAM type is being used. No Go to step 4. 4. Remove bottom cover, disconnect AirPort antenna and remove shield, disconnect and remove fan and cowling, then disconnect the following cables from logic board before being able to extract it :HDD, ODD/HDD, Ambient sensor, HD sensor, ODD/HD sensor, IR/LED cable. Disconnect the AirPort / Bluetooth card flex cable and retest. Does the computer start without kernel panic now? Yes Go to AirPort Card Kernel Panic symptom flow. No Go to step 5. 5. Reconnect the Optical drive (if Yes Go to Hard Drive Not present), but do not reconnect Recognized symptom flow. the Hard Drive cable on logic board and startup from the original Mac mini Install DVD No Go to step 6 inserted in internal optical drive (if present, or in the optical drive from another computer setup in Target Disk Mode), or from and external volume. Does the computer start without kernel panic now? 6. Disconnect the Optical Drive/ Second Hard Drive cable from logic board and test. Does the computer start without kernel panic now? Yes Go to Optical Drive not recognized symptom flow if an optical drive is present, Go to Hard Drive Not Recognized symptom flow. If a second hard drive is present No Replace logic board. M06 Mac mini (Mid 2010) Symptom Charts - Startup and Power 29

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Mac mini (Mid 2010) Symptom Charts — Startup and Power
29
2010-08-03
2.
Remove all external peripheral
devices including keyboard and
mouse. Does computer now
start without any kernel panic?
Yes
Add peripheral devices one at
a time and restart each time
until the kernel panic repeats.
Replace device whose
addition causes the issue.
No
Go to step 3.
3.
Use known-good SDRAM in
the system. Does the computer
start without kernel panic now?
Yes
Install user’s SDRAM and test.
If kernel panic repeats, replace
SDRAM. Verify that the correct
SDRAM type is being used.
X01
No
Go to step 4.
4.
Remove bottom cover,
disconnect AirPort antenna
and remove shield, disconnect
and remove fan and cowling,
then disconnect the following
cables from logic board before
being able to extract it :HDD,
ODD/HDD, Ambient sensor, HD
sensor, ODD/HD sensor, IR/LED
cable. Disconnect the AirPort /
Bluetooth card flex cable and
retest. Does the computer start
without kernel panic now?
Yes
Go to
AirPort Card Kernel
Panic
symptom flow.
No
Go to step 5.
5.
Reconnect the Optical drive (if
present), but do not reconnect
the Hard Drive cable on logic
board and startup from the
original Mac mini Install DVD
inserted in internal optical drive
(if present, or in the optical
drive from another computer
setup in Target Disk Mode),
or from and external volume.
Does the computer start
without kernel panic now?
Yes
Go to
Hard Drive Not
Recognized
symptom flow.
No
Go to step 6
6.
Disconnect the Optical Drive/
Second Hard Drive cable from
logic board and test. Does the
computer start without kernel
panic now?
Yes
Go to
Optical Drive not
recognized
symptom flow if
an optical drive is present,
Go to
Hard Drive Not
Recognized
symptom flow. If
a second hard drive is present
No
Replace logic board.
M06