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

2010-08-05
2. Turn off Bluetooth. Retest
AirPort performance.
Refer to Knowledge Base
TS1809. Verify if performance
issue is fixed.
3. (AirPort) Verify if antennas
connections to the AirPort
card are not reversed or
loose. Reseat AirPort antenna
connections and verify if
performance issue is fixed.
4. (AirPort) Try a known-good
AirPort/Bluetooth card and
verify if performance issue is
fixed.
5. (AirPort) Install a known-good
display clamshell and verify if
performance issue is fixed.
6. (Bluetooth) Verify if Bluetooth
antenna connection to the
AirPort/Bluetooth card is
not loose. Reseat antenna
connection and verify if
performance issue is fixed.
7. (Bluetooth) Try a known-good
AirPort/Bluetooth card and
verify if performance issue is
fixed.
Yes Possible AirPort interference
from the Bluetooth card.
Change AirPort base station
channel. (Knowledge Base
TS1809.)
No -If AirPort-related issue, go to
step 3.
-If Bluetooth-related issue, go
to step 6.
Yes Loose connection or crossed
antenna. Issue resolved.
No If the connectors are secure,
antennas connections not
reversed and show no signs
of damage or wear, go to
step 4
Yes Replace user’s AirPort/
Bluetooth card.
No Continue to use known good
AirPort/Bluetooth card, go to
step 5.
Yes Replace user’s Display
clamshell (AirPort antennas
are part of display clamshell)
and reinstall original AirPort/
Bluetooth card.
No Tested with confirmed parts.
Performance issue is not
hardware related. Retest with
known-good system software.
Yes Loose Bluetooth antenna
connection. Issue resolved.
No Go to step 7.
Yes Replace user’s AirPort/
Bluetooth card.
No Replace user’s top case
(Bluetooth antenna is part of
top case) and reinstall original
AirPort/Bluetooth card.
N14
L16
N14
X03
MacBook Pro (15-inch, Mid 2010) Symptom Charts — Communications 61