MacBook Pro (13-inch) Symptom Charts — Mass Storage 77
2010-09-14
2. Insert known good data CD.
Is media free to spin without
optical drive scraping edge or
surface of media? Verify disc
does not exceed maximum
thickness specication.
Yes Continue and verify with
media, go to step 3.
No Internal mechanical
interference is aecting
rotational spin of media,
replace optical drive.
J04
3. Initial disc handling noise is
normal. Disc spinning and
head seek indicate disc is
mounting to desktop. Seek
noise should settle down
once mounted. Is noise above
normal and related to seek
activity?
Yes Replace optical drive. J04
No Go to step 4.
4. Disc spin should cease 30
seconds after mounting data
CD on OS desktop. Is the noise
related to disc spin?
Yes Go to step 5.
No Go to step 6.
5. Remove the optical drive and
check for the correct seating
of the brackets on the optical
drive and in the top case.
Reinstall drive in unit and
retest. Verify if drive is still
noisy.
Yes Go to step 6.
No Issue resolved. Optical drive
was not properly mounted in
enclosure. (Possible physical
damage to optical drive.)
(J05)
6. Eject known good data CD.
Disc handling noise should
be one pop of disc from
motor hub and a motor gear
sound driving disc out of
optical drive. Is noise above
normal and related to disc
eject activity or multiple eject
attempts?
Yes Replace optical drive. J02
No Go to step 7.
7. Disc spin should cease 30
seconds after mounting data
CD on desktop. Media may
be mounting on a defective
internal spindle hub. Is the
noise related to disc spin?
Yes Replace optical drive. J04
No Noise does not appear to be
related to optical drive.