Apple MacBook Pro 13 inch - Page 99

MacBook Pro (13-inch) Symptom Charts — Input/Output Devices 99
2010-09-14
Built-in Keyboard Is Not Recognized
Unlikely cause: LCD, hard drive, optical drive
Quick Check
Symptom Quick Check
Built-in Keyboard Is Not
Recognized
• Keystrokes not recognized
1. Reset SMC.
2. Press Caps Lock. If the Caps Lock light comes on
that indicates at least a partial connection to the
logic board.
3. In System Preferences: International: Input Menu,
enable Keyboard Viewer. Select Show Keyboard
Viewer from the Input Menu in the menu bar. Test
the keyboard.
Deep Dive
Check Result Action Code
1. In Apple System Proler do you
see “Apple Internal Keyboard/
Trackpad” listed under USB
hardware devices?
Yes Go to step 3.
No Go to step 2.
2. Reset SMC and verify if Apple
Internal Keyboard/Trackpad is
now seen in the USB devices
list of Apple System Proler.
Yes Go to step 3.
No Replace logic board. M15
3. Disconnect and verify that
keyboard ex cable is in good
condition (no delamination or
torn cable end, no missing or
cracked tracks).
Yes Go to step 4.
No Go to Built-In Trackpad Does
not Work symptom table.
4. Reseat cable and check that
ex cable end is fully inserted
and aligned with connector
on logic board, and that
connector lock is closed. Verify
that keyboard now functions
properly.
Yes Issue resolved.
No Replace top case.
Go to step 5.
K11
5. Verify that all keys are
functional using ASD.
Yes Issue resolved.
No Replace logic board. M15