iMac G5, 17-inch Troubleshooting - 29
Symptom Charts
Display is tinted another color
1. Refer to the iMac G5 Repair Extension Program mentioned at the beginning of this
chapter.
2. Reset the parameter RAM. Press Command-Option-P-R keys. When you keep all the
keys held down, you will hear the startup chime over and over again (about every ten
seconds) until you let go. After you hear the second chime, you can let go of the keys.
3. Does the computer display video after successfully resetting the computer's PRAM?
Yes: Problem resolved. Restart the computer from the Apple menu and make sure
the computer is starting up properly.
No: Continue to the next step.
4. Check for external video. Connect an external monitor to the mini-VGA port. Do you
have external video now?
Yes: Replace the display panel and then go on to step 4.
No: Replace the logic board.
5. After replacing the display panel? Do you have video now?
Yes: Problem solved.
No: Replace the logic board.