Power issues, No power – Apple iMac G5, 20-inch User Manual
Page 255
iMac G5, 20-inch Troubleshooting - 31
Symptom Charts
Power Issues
No Power
The iMac G5 will not turn on. The display has no picture or color and no sounds can be
heard coming from the fan or hard drive.
1.
Refer to the iMac G5 Repair Extension Program at the beginning of the
troubleshooting chapter.
2.
Verify power outlet is good. Plug a different device into the socket to ensure there is
power, or plug the iMac G5 into another outlet.
3.
Check the power cord. Use a known good power cord.
4.
Check the connection of the power cord on both ends. Verify that the plug is securely
plugged into both the AC outlet and back of the computer.
5.
Remove keyboard, mouse, and other peripherals such as speakers.
6.
Remove the back cover to access the diagnostic LEDs on the main logic board. See
“Diagnostic LEDs” in this chapter for complete instructions on this procedure.
7.
Locate LEDs 1 through 4 above the large white arrow on the main logic board.
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