 Apple Technician Guide MacBook Pro (15-inch, Mid ... - tim.id.au

2010-08-05
2. Reset SMC (remove all system
power for 1 minute), and verify
unit starts. Can system start up
after SMC reset.
3. Will system power up with
battery only? Check battery
level LED indicator for status
of battery charge or battery
use error. Inspect battery
connector for burn marks or
damaged pins if substituting a
known-good battery to verify
starting on battery.
4. Customer battery may be run
down, or not recognized.
Verify customer battery in
a known-good system is
recognized and accepting
a charge. Confirm customer
battery is not consumed nor
defective.
5. Inspect battery cable
connection at logic board and
reseat if necessary. Replace
battery if battery cable is
damaged or burned. Verify if
the system powers on from a
charged battery.
6. Inspect MagSafe power
adapter. Verify AC adapter is
correct wattage, compatible
with product and works on
known-good computer.
Yes Corrupt SMC state preventing
power on. Issue resolved with
SMC reset.
No Go to step 3
Yes System can start up from
known-good battery. Original
battery possibly at fault or
needs to be charged. Verify
original battery functionality
and charge; then verify AC
adapter functionality. Go to
step 4.
No System will not power using
known-good battery only. Go
to step 5
Yes Battery is recognized,
charging and health is good.
Return to test unit with
customer battery and AC
adapter power. Go to step 6.
No Replace customer battery
for not charging (P10) or not
recognized (P11). Customer
to purchase a replacement
battery if consumed.
Yes Battery power restored, retest
unit with customer battery
and AC adapter power. Go to
step 6.
No Logic board is expected to
power on with battery only.
Inspect and test power on
key. Go to step 10.
Yes Power adapter is good, go to
step 7
No Release stuck pin(s). Replace
adapter if it is not working,
or if it has wire damage or
burned pins.
MacBook Pro (15-inch, Mid 2010) Symptom Charts — Startup and Power Issues 26
P11
P10 or
P11
P14