Specifications
Table Of Contents
- iMac (Early 2006 17-inch)
- Contents
- Take Apart
- General Information
- Access Door
- Memory
- Front Bezel
- Camera Board
- Lower EMI Shield
- IR Board
- AirPort Extreme Card
- Battery
- LCD Display
- LVDS Display Cable
- Inverter
- Speakers
- Bluetooth Card
- Optical Drive
- Hard Drive
- DC-DC Board
- Power Supply
- Logic Board
- CPU Fan
- Optical Drive Fan
- Hard Drive Fan
- AC Line Filter
- Ambient Light Sensor Board
- Clutch
- AirPort Antenna
- Bluetooth Antenna
- DC Power Cable
- Camera Cable
- Chassis
- Rear Housing
- Troubleshooting
- Views
iMac (Early 2006 17-inch) Troubleshooting — Symptom Charts 139
No Video
No Video, No Boot Chime, White LED ON (Symptom 1)
The iMac (Early 2006) will turn on (indicated by the front LED ON), but there is NO boot chime
and No Video on the display. The faint sound of the fans, hard drive, and optical drive may also
be heard.
Reset the SMC (Formerly SMU).
Turn o the computer by choosing Shut Down from the Apple menu, or by holding the
power button until the computer turns o.
Unplug all cables from the computer, including the power cord.
Wait 15 seconds.
Plug in the power cord while simultaneously pressing and holding the power button on
the back of the computer.
Let go of the power button.
Press the power button once more to start up your iMac.
Does the computer display video after successfully resetting the SMC?
Yes: Problem solved.
No: Continue to next step.
2. Verify that only supported SDRAM memory has been installed and that it has been installed
correctly. Unsupported and/or defective memory can prevent the iMac (Early 2006) from booting.
It may be necessary to install known good memory for testing purposes and replace any
unsupported or defective SO-DIMM’s identied during this process.
Does the computer display video after verifying and/or replacing the memory with known
good memory?
Yes: Problem solved. Verify full system functionality before return the system to the customer.
No: Replace the logic board.
No Video, Boot Chime heard, White LED ON (Symptom 2)
The iMac (Early 2006) will turn on, the boot chime can be heard, a white LED appears on the front
bezel and sounds from the fan or drive activity can be heard, but the display has no picture or
color.
1. Check if the computer is sleeping. Press the space bar to wake the computer from sleep mode.
Did the computer wake from sleep?
Yes: Put the computer to sleep from the Apple menu and wake the computer again to test.
Check Energy Saver setting to see when the computer has been designated to sleep.
No: Continue to next step.
2. Reset your computer’s PRAM (Parameter RAM):
If your iMac is on, turn it o by holding the power button until the unit powers o. You
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