iii
AC Line Filter 97
Fan, Hard Drive 101
Fan, Optical Drive 105
Fan, CPU 108
Power Supply, DC/DC, Inverter 111
Ambient Light Sensor Board 114
Cable, Camera and IR 117
Wireless Antenna 120
Clutch 124
Chassis 128
Rear Housing 131
Stand 134
Troubleshooting
General Information 139
Serial Number Location 139
Accessing the Diagnostic LEDs 139
Testing Under Power 145
SMU (System Management Unit) 146
Resetting the SMU (System Management Unit) 146
Ports 147
DDR Memory 147
Symptom Charts 148
How to Use the Symptom Charts 148
Power Issues 149
Verbose Startup Mode 152
No Video 153
Display 156
Hard Drive 157
Optical Drive 158
Fan Sound 163
AirPort/Bluetooth 166
IR Remote 168
IR Sensor/Receiver 169
Built-in iSight Camera 170
Speakers 172