Apple 24-inch User Manual Page 239
- Page / 249
- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
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iMac (24-inch Mid 2007) Take Apart — Symptom Charts 239
The USB port on my keyboard doesn’t work.
Unplug all devises from your keyboard.1.
Plug your Apple mouse into the left USB port on your keyboard. Does your mouse work 2.
when it’s plugged into this port?
Yes: Now plug the mouse into the right port. Does it work?
Yes: Try a known good keyboard.
No: Try a known good mouse to rule out the mouse. Then go to step 3.
No: Try a dierent mouse or keyboard.
Now unplug the keyboard from the USB port on the back of the iMac, and plug the mouse 3.
into the port the keyboard had been in. Does the mouse work now?
Yes: Replace the keyboard?
No: It appears that your USB port isn’t functioning properly. Go on to step 4.
Replace the logic board.4.
My Apple wireless keyboard is not responding correctly.
Refer to Knowledge Base document 86496 - Apple Wireless Keyboard and Mouse:
Troubleshooting connection Issues.
- Service Source 1
- Contents 3
- Take Apart 3
- Manual Updates 7
- 10 December 2007 8
- 7 November 2007 8
- General Information 10
- Serial Number Location 11
- General Tools 12
- Required Special Tools 12
- Cleaning Tools Starter Kit 13
- Removing the Glass Panel 13
- View of the Main Modules 14
- Back View 15
- I/O Ports 16
- Do’s and Don’ts 18
- Handling a Broken Glass Panel 18
- EMI Shielding 20
- Access Door 21
- Removing the Access Door 22
- Replacing the Access Door 22
- Removing the Memory 24
- Replacing the Memory 25
- Isopropyl Alcohol (IPA) 27
- Magnets on the Front Bezel 29
- Replacing the Glass Panel 33
- Cleaning Tool Resources 41
- Ultra Violet Inspection Lamp 42
- Front Bezel 43
- Removing the Front Bezel 44
- Replacing the Front Bezel 47
- Camera Board 49
- Removing the Camera Board 50
- Replacing the Camera Board 51
- Removing the Battery 53
- Replacing the Battery 54
- IR (Infrared) Board 55
- Removing the IR Board 56
- Replacing the IR Board 57
- AirPort Extreme Card 58
- Replace the front bezel3. 61
- Replace the access door5. 61
- Bluetooth Card 62
- Removing the Bluetooth Card 63
- Replacing the Bluetooth Card 64
- LCD Temp Sensor and Cable 65
- 922-8172 69
- Replace the front bezel9. 70
- Speaker, Left 71
- Removing the Left Speaker 72
- Replacing the Left Speaker 74
- LCD Display Panel 76
- Removing the Display Panel 77
- Replacing the Display Panel 80
- Ambient Temperature Sensor 83
- LVDS Cable 91
- Removing the LVDS Cable 92
- Replacing the LVDS Cable 93
- Inverter Cable 96
- Removing the Inverter Cable 97
- Replacing the Inverter Cable 98
- Replace the access door10. 100
- Speaker, Right 101
- Removing the Right Speaker 102
- Replacing the Right Speaker 103
- Optical Drive Fan 104
- Preliminary Steps 107
- Part Location 107
- Removing the CPU Fan 108
- Replacing the CPU Fan 109
- Power Supply, AC/DC 110
- Hard Drive 117
- Removing the Hard Drive 118
- 922-7019 120
- Replacing the Hard Drive 121
- Hard Drive Sensor Cable 124
- Optical Drive 127
- Removing the Optical Drive 128
- Replacing the Optical Drive 131
- Optical Flex Cable 133
- Optical Sensor Cable 135
- Logic Board 139
- Removing the Logic Board 140
- Replacing the Logic Board 144
- Replace the display panel.9 146
- Replace the front bezel10. 147
- Replace the access door12. 147
- Video Card 148
- Removing the Video Card 149
- (24-inch) video card 150
- Replacing the Video Card 151
- Hard Drive Fan 153
- Removing the Hard Drive Fan 154
- Replacing the Hard Drive Fan 155
- Audio Board 156
- Removing the Audio Board 157
- Replacing the Audio Board 158
- Hard Drive Data Cable 159
- Clutch Cover 162
- Removing the Clutch Cover 163
- Replacing the Clutch Cover 164
- Removing the Stand 166
- Replacing the Stand 168
- Removing the Chassis 171
- Replacing the Chassis 173
- Clutch Mechanism 175
- Removing the Clutch Mechanism 176
- AC Power Inlet 180
- Removing the AC Power Inlet 182
- Remove the 3. chassis 183
- Replacing the AC Power Inlet 184
- Camera Cable 186
- Removing the Camera Cable 187
- Replacing the Camera Cable 189
- Microphone Cable 191
- DC Power Cable 197
- Replace the chassis screw.3 200
- Rear Cover 202
- Removing the Rear Cover 203
- Replacing the Rear Cover 204
- Troubleshooting 205
- Power On Self Test (POST) 207
- DDR Memory 208
- Diagnostic LEDs 209
- Symptom Charts 211
- Power Issues 212
- No Video, No Boot Chime 213
- No Video, Boot Chime Heard 214
- System Shuts Down 215
- Glass Panel 216
- Display Panel 217
- Hard Drive Issues 219
- Discs won’t insert 223
- Fan Sound 225
- Bluetooth 231
- IR Remote 232
- IR Sensor/Receiver 233
- Built-in iSight Camera 234
- Audio quality is poor 235
- Speakers 236
- Keyboard 238
- Error Beep(s) 240
- A USB device doesn’t work 241
- Screw Chart 246
- Screw Chart: Page 2 of 3 247
- Screw Chart: Page 3 of 3 248
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