Apple Macbook Pro Aluminum 13-Inch Black Laptop Keyb Technical Guide - Page 99

in Apple System Profiler?, In System Preferences

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Deep Dive Check 1. Can you see the trackpad continuously listed under USB in Apple System Profiler? 2. Does the trackpad look damaged? 3. Reseat the trackpad flex cable on the logic board. Does the trackpad work now? 4. Is the trackpad connector on the logic board damaged? 5. In System Preferences: Universal Access, turn off special Keyboard and Mouse & Trackpad settings. Does trackpad work now? 6. Does a known-good trackpad work? Result Yes No Yes No Yes No Yes No Yes No Yes No Action Trackpad communicating to system. Go to step 5. Go to step 2 Replace trackpad. Go to step 6. Go to step 3. Loose cable. Issue resolved. Go to step 4. Replace logic board. Go to step 5. Settings issue resolved. Code K02 M24 Go to step 6. Replace trackpad according to symptom found. - No mouse/trackpad K02 response - Trackpad cursor not tracking properly K12 - Trackpad button issues. K13 Replace logic board. M16 2010-06-15 MacBook (13-inch, Aluminum, Late 2008) Symptom Charts - Input/Output Devices 99

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MacBook (13-inch, Aluminum, Late 2008) Symptom Charts — Input/Output Devices
99
2010-06-15
Deep Dive
Check
Result
Action
Code
1.
Can you see the trackpad
continuously listed under USB
in Apple System Profiler?
Yes
Trackpad communicating to
system. Go to step 5.
No
Go to step 2
2.
Does the trackpad look
damaged?
Yes
Replace trackpad. Go to step
6.
K02
No
Go to step 3.
3.
Reseat the trackpad flex cable
on the logic board.
Does the
trackpad work now?
Yes
Loose cable.
Issue resolved.
No
Go to step 4.
4.
Is the trackpad connector on
the logic board damaged?
Yes
Replace logic board.
M24
No
Go to step 5.
5.
In System Preferences:
Universal Access, turn off
special Keyboard and Mouse
& Trackpad settings.
Does
trackpad work now?
Yes
Settings issue resolved.
No
Go to step 6.
6.
Does a known-good trackpad
work?
Yes
Replace trackpad according
to symptom found.
- No mouse/trackpad
response
- Trackpad cursor not tracking
properly
- Trackpad button issues.
K02
K12
K13
No
Replace logic board.
M16