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iMac (27-inch, Mid 2010) Symptom Charts — Startup and Power 45
2010-09-09
3. Use known-good SDRAM in the
system. Verify if system start
without kernel panic now.
Yes Install user’s SDRAM one by
one and retest. If kernel panic
repeats, replace aected
SDRAM. Verify if correct
SDRAM specication is being
used.
X01
No Go to step 4.
4. Wait for 20 seconds after
shutdown and disconnect
AirPort cable on logic board.
Verify if system starts without
kernel panic now.
Yes Go to AirPort Card Kernel
Panic symptom ow.
No Go to step 5.
5. Disconnect SATA cable from
hard drive and startup to the
Install DVD in the optical drive
or from an external volume.
Verify if system starts without
kernel panic now.
Yes Go to Hard Drive Not
Recognized symptom ow.
No Go to step 6.
6. Disconnect camera and
microphone cables from logic
board. Verify if system starts
without kernel panic now.
Yes Go to Camera Issues or
Audio: Microphone symptom
ow as appropriate.
No Go to step 7.
7. Disconnect Bluetooth cable
on logic board. Verify if system
starts without kernel panic
now.
Yes Go to AirPort/Bluetooth
Issues symptom ow.
No Go to step 8.
8. Disconnect SD board on logic
board. Verify if system starts
without kernel panic now.
Yes Go to SD Card Not
Recognized symptom ow.
No Go to step 9.
9. Disconnect optical drive and
test. Verify if system starts
without kernel panic now.
Yes Go to Optical Drive Not
Recognized symptom ow.
No Replace logic board. M06