MacBook Pro (13-inch) Symptom Charts — Input/Output Devices 96
2010-09-14
Specic Keys Don’t Work
Unlikely cause: power adapter, battery, speakers, LCD, optical drive, hard drive, fan, microphone
Quick Check
Symptom Quick Check
Specic Keys Don’t Work
• Keycap broken
• Key switch broken
• Sticky key
• Key pressed not recognized
1. Determine if damage caused by user/technician
environment, accidental damage, or abuse.
2. Inform user/technician the failures are not
covered by Apple warranties. Refer to
http://www.apple.com/legal/warranty
3. Inspect keycap to remove debris trapped under it.
4. If the keycap is loose, check if clasp is still intact
and reattach it.
5. Refer to kBase #HT4002: MacBook/MacBook
Pro: Black Keycap Replacement. If a keycap kit
is available for this model, order kit and replace
aected key(s). If a kit is not available, replace
complete top case (code K01).
Built-in Trackpad Does Not Work
Quick Check
Symptom Quick Check
Built-in Trackpad Does Not Work
• Cursor does not move.
• Select button of trackpad
inoperable
• Multiple touch features
inoperable
1. Check for environmental factors such as humidity,
hand lotion or jewelry. Check if user is touching
the trackpad simultaneously with both hands.
2. Clean the trackpad surface (with the computer
powered o) using a clean, dry, lint-free cloth.
3. Make sure all software and rmware updates have
been applied.
To Next Page
Loading...