Apple imac 17 inch late 2006 cd User Manual

iMac (17-inch (Mid 2006/Late 2006 CD) Troubleshooting — Symptom Charts 131
3. Does the computer display video after successfully resetting the computer’s PRAM?
Yes: Restart the computer from the Apple menu and make sure the computer is now 
working correctly.
No: Continue to next step.
4. Make sure the machine is powered off; power off the machine by holding in the Power Button 
on the rear of the machine. Turn on the machine. Observe the white LED on the front bezel 
during startup; it should go out...

iMac (17-inch (Mid 2006/Late 2006 CD) Troubleshooting — Symptom Charts 132
Starts Up to Black Screen or No Video (iMac 17-inch Mid 2006 only) 
Refer to Knowledge Base article 303 0  or follow the procedure below.
An iMac (17-inch Mid 2006) may start up to a black screen (with no video). It may also occur if 
you have just changed the brightness of the display. If this happens, the computer will sound like 
it’s starting up, but the display stays black. In this case, if you hold down the power...

iMac (17-inch (Mid 2006/Late 2006 CD) Troubleshooting — Symptom Charts 133
Display
When displaying a single color over the screen area, the LCD panel shows\
 one or 
more pixels that are not properly lit
Active-matrix LCD technology uses rows and columns of addressable locations (pixels) that 
render text and images on screen. Each pixel location has three separate subpixels (red, green, 
and blue) that allow the image to be rendered in full color. Each subpixel has a corresponding 
transistor...

iMac (17-inch (Mid 2006/Late 2006 CD) Troubleshooting — Symptom Charts 134
Hard Drive
Flashing question mark, or an alternating question mark and Mac OS (face or a 
folder)
Note: When troubleshooting hard drive problems it is a good idea, if possible, to back up any 
important data. Some troubleshooting steps may require erasing the contents of the hard drive.
Boot from the system CD that came with the computer, and open Disk Utility. Does the hard 
drive show in Disk Utility? 
Yes: Run Repair Disk and...

iMac (17-inch (Mid 2006/Late 2006 CD) Troubleshooting — Symptom Charts 13
System hangs during normal startup process
Boot from the system CD that came with the computer. Use Disk Utility to verify the hard 
drive.
Using Disk Utility, reformat the hard drive.
Check all cable connections to and from the hard drive.
Replace the hard drive data cable.
Replace the hard drive.
Replace the logic board.
1.
2.
3.
4.
5.
6. 

iMac (17-inch (Mid 2006/Late 2006 CD) Troubleshooting — Symptom Charts 13
Optical Drive 
CDs or DVDs don’t show up on the Desktop.
Select Preferences from the Finder menu and make sure the option to show CDs, DVDs and 
iPods is checked: in the General window as shown below. 
1. 

iMac (17-inch (Mid 2006/Late 2006 CD) Troubleshooting — Symptom Charts 13
Select System Preferences from the Apple menu and open the CDs & DVDs preferences 
window. Make sure that audio CDs are set to launch iTunes and movie DVDs set to launch 
DVD Player when those media are inserted, as shown below. 
Check that the drive can read discs normally. Insert an audio CD and check whether it shows 
up on your desktop or launches iTunes.  
Does the audio CD mount on the desktop or in iTunes? 
Yes: The...

iMac (17-inch (Mid 2006/Late 2006 CD) Troubleshooting — Symptom Charts 13
The computer won’t burn discs.
Check whether the drive can read CDs and DVDs normally. Perform the steps above for “CDs 
or DVDs don’t show up on the Desktop.”
Try a test burn by creating a Burn Folder, as follows. 
• In the Finder, choose “New Burn Folder” from the File menu.  
 
• Open the Burn Folder, drag an item inside for testing, and click “Burn” in the upper right 
corner of the window. 
  
• When prompted, insert a...

iMac (17-inch (Mid 2006/Late 2006 CD) Troubleshooting — Symptom Charts 13
No: Replace the optical drive. Does it burn correctly now? 
 Yes: Problem solved. 
 No: Replace the logic board.
Discs won’t insert.
Is there a disc already in the drive? 
Yes: Eject the disc before inserting another. Refer to Knowledge Base article 100 - “iMac: If 
You Can’t Eject a CD or DVD, or Open the Drive Tray”. If none of these options will eject the 
disc, you may have to disassemble the drive to recover...

iMac (17-inch (Mid 2006/Late 2006 CD) Troubleshooting — Symptom Charts 140
Optical disc constantly ejects
Disconnect all peripheral devices, especially the mouse in cases where the disc is constantly 
ejecting. Retest. If the issue is resolved, reconnect peripherals one-at-a-time until faulty 
peripheral is identified.
Try cleaning the disc. If the disc is dirty or scratched, it may not mount.  
Is the issue resolved? 
Yes: Problem solved. 
No: Try a different disc. If the issue persists, go on to the...