Apple MD094LL/A Manual De Usuario
iMac (27-inch, Mid 2010) Symptom Charts — Input/Output Devices
95
2010-09-09
4. After clicking “Unpair”, verify if
the computer now responds to
the Apple Remote.
Yes
Pairing issue. Issue resolved.
No
Possible IR board issue.
Go to step 5.
5. Open Apple System Profiler.
Verify if “IR Receiver” is listed in
USB list of devices.
Yes
IR board reporting on USB
bus. Check for lens block.
Go to step 6.
No
Inspect and reseat IR cable
connection to logic board.
Go to step 7.
6. Check that IR board is correctly
fitted and aligned with Apple
window and that lens is not
blocked by any foreign material
and re-test. Verify if computer
responds to Apple Remote.
Yes
Lens blocked or sensor not
aligned with window. Issue
resolved.
X03
No
Lens damaged or inoperable.
Replace IR board. Go to step 7.
7. After reseating or replacing
IR board, verify if “IR Receiver”
is listed under USB in Apple
System Profiler, and that
computer now responds to
Apple Remote.
Yes
IR module reseated/replaced.
Issue resolved.
X03
No
If IR board was only reseated,
replace IR cable. Go to step 8.
8. After replacing IR cable, verify if
“IR Receiver” is listed under USB
in Apple System Profiler, and
that computer now responds to
Apple Remote.
Yes
IR cable replaced. Issue
resolved.
X03
No
Replace IR board. Go to step 9.
9. After replacing IR board, verify
if “IR Receiver” is listed under
USB in Apple System Profiler,
and that computer now
responds to Apple Remote.
Yes
IR board replaced. Issue
resolved.
X03
No
Replace logic board.
M23