Apple MC408LL Apple Technician Guide - Page 22

Check, Result, Action, Hard Drive, Not Recognized, Optical

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Deep Dive Check 1. Insert Mac mini Install DVD in optical drive (or in the optical drive of another computer set up in FireWire Target Disk Mode) and boot the computer with the D keyboard key pressed to run Apple Hardware Test. Does the computer boot up to this volume? 2. Remove the installed SDRAM, and test with known-good SDRAM. Does the computer startup properly now? 3. Connect a known-good 10.6.X up-to-date bootable external USB drive, FireWire drive, or similar system setup in FireWire Target Disk Mode, and press the Alt key on startup to select and attempt to boot from it. Does it boot? 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. Is there a gray screen with a flashing folder? Result Yes No Yes No Yes No Yes No Action Run the extended tests and proceed with results. If AHT passes or boots with a memory error, go to step 2. Go to step 2. SDRAM issue. Replace SDRAM. Issue resolved. Go to step 3. Use the Apple System Profiler to check for presence of both Hard Drive and Optical SATA drives. Run Disk First Aid to check internal hard drive health and repair (check SMART Status, Repair disk and Privileges). If the hard drive in not recognized, go to Hard Drive Not Recognized If the optical drive is not recognized, go to Optical Drive not recognized. Go to Step 4. Reconnect only the optical / second hard drive cable to logic board and go to Step 5 Replace logic board. Code X02 M02 2010-08-03 Mac mini (Mid 2010) Symptom Charts - Startup and Power 22

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Mac mini (Mid 2010) Symptom Charts — Startup and Power
22
2010-08-03
Deep Dive
Check
Result
Action
Code
1.
Insert Mac mini Install DVD in
optical drive (or in the optical
drive of another computer
set up in FireWire Target Disk
Mode) and boot the computer
with the D keyboard key
pressed to run Apple Hardware
Test. Does the computer boot
up to this volume?
Yes
Run the extended tests
and proceed with results. If
AHT passes or boots with a
memory error, go to step 2.
No
Go to step 2.
2.
Remove the installed SDRAM,
and test with known-good
SDRAM. Does the computer
startup properly now?
Yes
SDRAM issue. Replace SDRAM.
Issue resolved.
X02
No
Go to step 3.
3.
Connect a known-good 10.6.X
up-to-date bootable external
USB drive, FireWire drive, or
similar system setup in FireWire
Target Disk Mode, and press the
Alt key on startup to select and
attempt to boot from it. Does
it boot?
Yes
Use the Apple System Profiler
to check for presence of both
Hard Drive and Optical SATA
drives. Run Disk First Aid to
check internal hard drive
health and repair (check
SMART Status, Repair disk and
Privileges).
If the hard drive in not
recognized, go to
Hard Drive
Not Recognized
If the optical drive is not
recognized, go to
Optical
Drive not recognized
.
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. Is there a gray screen
with a flashing folder?
Yes
Reconnect only the optical /
second hard drive cable to
logic board and go to Step 5
No
Replace logic board.
M02