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iMac G5 (20-inch iSight) Troubleshooting — General Info 13 9
General Information
Serial Number Location
iMac G5 (iSight) serial numbers are located on the bottom of the computer stand.
Accessing the Diagnostic LEDs
The iMac G5 (20-inch iSight) has four built-in diagnostic LEDs on the main logic board that can
help you troubleshoot the computer. Follow the steps below to access the LEDs.
Shut down the computer and disconnect all cables except the power cord. 1.
Place a soft, clean towel or cloth on the desk or at surface. Grasp the sides of the unit and 2.
slowly lay it screen-down on the cloth, with the bottom facing you.
Raise the stand and use a Phillips #2 screwdriver to loosen the two captive screws that 3.
secure the memory access door. Remove the access door.