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Apple Macbook Pro Aluminum 13-Inch Black Laptop Keyb Technical Guide - Page 20

General Troubleshooting, Update System Software, Troubleshooting Theory, Hardware vs. Software

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General Troubleshooting Update System Software Important: Whenever possible before beginning troubleshooting, ensure the latest software and firmware updates have been applied. Troubleshooting Theory For general information on troubleshooting theory, go to GSX and find the Service Training course menu link. From there you can access the Troubleshooting Theory self-paced course. Hardware vs. Software For information on how to isolate a hardware issue from a software issue, refer to: http://support.apple.com/kb/TS1388?viewlocale=en_US TS1394-Mac OS X: Troubleshooting installation and software updates HT2956-Troubleshooting Mac OS X installation from CD or DVD For information on how to troubleshoot a software issue, refer to: HT1199-Mac OS X: How to troubleshoot a software issue 2010-06-15 MacBook (13-inch, Aluminum, Late 2008) General Troubleshooting - Update System Software 20

Section	Page
MacBook (13-inch, Aluminum, Late 2008)	1
Contents	3
Manual Updates	9
Updated 15 June 2010	9
Updated 14 May 2010	9
Updated 16 November 2009	9
Updated 21 August 2009	9
Updated 19 June 2009	10
Updated 9 June 2009	10
Updated 10 March 2009	10
Updated 16 December 2008	11
Updated 17 November 2008	11
Updated 19 October 2008	12
Updated 17 October 2008	12
Manual introduced 14 October 2008	12
Basics	13
Overview	14
Identifying Features	14
Note About Images in This Manual	15
Serial Number Location	16
Serial Number On Top Case	16
Transferring the Serial Number	16
General Information	17
Required Tools	17
The Glass Panel	18
Keycap Replacement	18
Troubleshooting	19
General Troubleshooting	20
Update System Software	20
Troubleshooting Theory	20
Hardware vs. Software	20
Functional Overview	21
Block Diagram	22
Liquid Submersion Indicators	23
Common Reset Procedures	24
Apple Service Diagnostics	25
Clamshell Service Diagnostic Read Me	26
Display Issue: Pixel Anomalies	26
Symptom Charts	28
Startup and Power Issues	28
No Power	28
Won’t Start Up	31
Intermittent Shutdown	34
No Video/Bad Video	38
Battery Isn’t Recognized or Won’t Charge	42
Kernel Panic/System Crashes	45
Battery Run Time Too Short	48
Won’t Run on Power Adapter Alone	48
Power Adapter Issue	49
Noise / Hum / Vibration	51
Burnt Smell / Odor	53
Battery Leaking or Swollen	54
Uncategorized Symptom	54
Communications	55
Ethernet Port/Device Issue	55
AirPort/Bluetooth: Defective Wireless Devices	57
No/Poor Wireless Signal	59
Wireless Input Device Loses Connection	60
AirPort Card: Kernel Panic	62
Wireless Performance Issue / Slow Connection	63
Wireless Input Device Doesn’t Pair	66
Uncategorized Symptom	67
Display	68
Display Anomalies	68
Defective Camera / Built-in iSight Not Operating Correctly	73
Blank / No Video	74
Backlight Issue / No Backlight	75
Quick Check	75
Noise / Unstable Flickering	76
Quick Check	76
Cosmetic Defects	78
Uncategorized Symptom	78
Mass Storage	79
Hard Drive Read/Write Issue	79
Hard Drive Not Recognized/Not Mounting	80
Hard Drive Noisy	82
Optical Drive Won’t Accept/Reject Media	83
Optical Drive Read/Write Data Error	85
Optical Drive Not Recognized/Mount	87
Optical Drive Noisy	88
Optical Drive Not Performing to Specs	90
Uncategorized Symptom	91
Input/Output Devices	92
USB Port Does Not Recognize Known Devices	92
Built-in Keyboard Does Not Work Properly	93
Specific Keys Don’t Work	94
Built-in Trackpad Does Not Work	95
Built-in Keyboard Has Dim or No Keyboard Backlight	96
Built-in Keyboard Is Not Recognized	97
Built-in Trackpad Does Not Track Properly	98
Apple Remote Inoperable	100
Built-in Speaker Has No Audio	101
Distorted Sound from Internal Speaker	102
Uncategorized Symptom	103
Mechanical Issues: Thermals and Enclosure	104
Reset/Power Button Stuck	104
System Runs Hot	105
Clamshell does not stay closed when stored vertically	107
Uncategorized Symptom	107
Take Apart	108
General Information	109
Connector Types on Logic Board	109
Icon Legend	112
Temperature Concerns	112
Replacement Steps	112
Access Door	113
Removal	114
Replacement	115
Battery	116
Removal	117
Replacement	117
Hard Drive Bracket	119
Hard Drive	121
Removal	122
Replacement	124
Installing Mac OS X and Applications	126
Installing Applications	126
Bottom Case	127
Removal	128
Replacement	129
Memory	130
Removal	131
Replacement	132
Mid Wall	133
Battery Connector Cover	135
Battery Cable Guide	137
Battery Power Cable	139
Removal	140
Replacement	140
Battery Indicator Light (BIL) Cable	141
Removal	142
Replacement	144
Camera Cable Guide	145
Removal	146
Replacement	146
LVDS Cable Guide	147
Display Assembly	149
Removal	150
Replacement	151
Display Clutch Cover	153
Removal	154
Replacement	155
AirPort Card	156
Removal	157
Replacement	158
AirPort Antenna	160
Optical Drive	162
Removal	163
Replacement	164
Optical Drive Flex Cable	166
Right Speaker / Subwoofer	168
Removal	169
Replacement	170
Hard Drive Connector Cable	171
Removal	172
Replacement	173
Fan	174
Keyboard Flex Bracket	176
Trackpad	178
Removal	179
Replacement	182
Logic Board	187
Removal	188
Replacement	191
Left Speaker	193
Removal	194
Replacement	195
MagSafe Board	196
Removal	197
Replacement	197
Heatsink	198
Removal	199
Replacement	200
Microphone Cable	202
Removal	203
Replacement	204
Center Bracket	205
Kensington Lock	206
Hard Drive Front Bracket with IR/Sleep Cable	208
Top Case	210
Additional Procedures	212
Hinge Replacement and Alignment	213
Views	215
Exploded Views	216
Main Assembly, 1 of 2	216
Main Assembly, 2 of 2	217
Display Assembly	218
External Views	219
Port View	219
Screw Chart	220
Screw Location Diagrams	222
Bottom Case	222
Display Assembly	223