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

2010-08-05
3. Verify if IP address is listed
for the Ethernet interface in
System Preferences/Network.
Connect computer to network
with known-good DHCP IP
allocation, ensuring static
DHCP maps or MAC address
filtering is not preventing
address allocation. Note:
DHCP allocation may not be
instantaneous depending on
network. Retest and verify if
you obtain a valid IP address..
4. Verify connection by using
Network Utility to ping another
connected computer on the
same subnet. Ensure the
target computer’s IP address is
valid, on the same subnet and
powered on. Ensure no MAC
address filtering or hardware
access control devices are
present. Use a simple hub/
switch environment. Verify if
ping operation succeeds..
5. Verify Ethernet performance
and reliability by starting up
from a known-good OS install,
and downloading a large file
from a web site or file server.
Yes Go to step 4.
No If connection is OK on knowngood
system, replace logic
board.
Yes Go to step 5
No If the symptoms do not
change, replace the logic
board.
Yes If there is no performance or
connectivity issue isolated
solely to the system under
test, the problem may be the
network environment. No
repair is necessary.
No If there are connection
dropouts or poor
performance not seen on
a known-good test system,
replace the logic board.
M10
M10
M10
MacBook Pro (15-inch, Mid 2010) Symptom Charts — Communications 51