Apple Macbook Pro Aluminum 13-Inch Black Laptop Keyb Technical Guide - Page 42

Battery Isn’t Recognized or Won’t Charge

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2010-06-15 Battery Isn't Recognized or Won't Charge Unlikely cause: display assembly, speakers, optical drive, hard drive, trackpad Quick Check Symptom Battery isn't recognized or won't charge • AC adapter • No MagSafe LED indicator • No orange charge indication • Battery status LEDs: - single chase - all flash - no LED Quick Check 1. Check battery level and test AC power. 2. Test system with known-good battery. 3. Test customer's battery in known-good system. Deep Dive Check Result Action Code 1. Does the MagSafe LED Yes go green to amber when connected to the system? No 2. When the Battery status Yes button is pressed, did any of the lights come on? No 3. Does battery status indicate Yes a fully charge battery with all LEDs on? No Battery is recognized and charging. Go to step 6 LED is green, Battery may be full or not recognized. Go to step 2 LED was on momentarily then went out. Go to No Power for system (M01) Go to step 3 Go to step 11 Customer battery charged, check health. Go to step 13. Go to step 4 4. Does battery status indicate Yes the battery is not recognized with a single LED on that chases back and forth 5 times? No Go to step 8 and tag battery as a possible P11 candidate. Go to step 5 (P11) MacBook (13-inch, Aluminum, Late 2008) Symptom Charts - Startup and Power Issues 42

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MacBook (13-inch, Aluminum, Late 2008) Symptom Charts — Startup and Power Issues
42
2010-06-15
Battery Isn’t Recognized or Won’t Charge
Unlikely cause:
display assembly, speakers, optical drive, hard drive, trackpad
Quick Check
Symptom
Quick Check
Battery isn’t recognized or won’t
charge
AC adapter
No MagSafe LED indicator
No orange charge indication
Battery status LEDs:
- single chase
- all flash
- no LED
1.
Check battery level and test AC power.
2.
Test system with known-good battery.
3.
Test customer’s battery in known-good system.
Deep Dive
Check
Result
Action
Code
1.
Does the MagSafe LED
go green to amber when
connected to the system?
Yes
Battery is recognized and
charging. Go to step 6
No
LED is green, Battery may be
full or not recognized.
Go to
step 2
LED was on momentarily then
went out.
Go to No Power for
system (M01)
2.
When the Battery status
button is pressed, did any of
the lights come on?
Yes
Go to step 3
No
Go to step 11
3.
Does battery status indicate
a fully charge battery with all
LEDs on?
Yes
Customer battery charged,
check health.
Go to step 13.
No
Go to step 4
4.
Does battery status indicate
the battery is not recognized
with a single LED on that
chases back and forth 5 times?
Yes
Go to step 8 and tag battery
as a possible P11 candidate.
(P11)
No
Go to step 5