Apple Macbook Pro Aluminum 13-Inch Black Laptop Keyb Technical Guide - Page 37

5. Check system running on Yes Recharge customer battery battery only. Use known-good and retest. Check for charged battery. customer battery health Verify if shutdown/reset/sleep in Apple System Profiler or issues disappear when known- run Battery & Adapter Test good battery is used without utility, and replace battery if AC adapter. its health is reported bad or P09 consumed. No Symptoms unchanged - Go to step 6 6. Check with known-good AC adapter source only Remove battery and use known-good AC adapter. Verify if the shutdown/reset/ sleep issues disappear with known-good adapter. 7. Hardware-related shutdowns: Run ASD or other latest available service utility and verify if a sensor failure is reported. Yes Faulty user's AC adapter. P14 Replace user's AC adapter if AC cable and duckhead were confirmed good. No Symptoms unchanged - Go to Hardware-related shutdowns on step 7 Yes -If a temperature or a fan sensor failure is reported, go to step 8 -If a voltage or a current sensor failure is reported in ASD w/known good AC M23 adapter and batteries, replace logic board. No Setup ASD to loop test suite for burn in tests and go to step 7. if no failure is found after burn in tests, return unit to customer for no failure found. 2010-06-15 MacBook (13-inch, Aluminum, Late 2008) Symptom Charts - Startup and Power Issues 37