Apple MC408LL Apple Technician Guide - Page 63

Optical Drive Noisy, Symptoms, Quick Check

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2010-08-03 2. Remove bottom cover, Yes Go to step 5 disconnect AirPort antenna and remove shield, disconnect and remove fan and cowling, then No Go to step 3 check the optical drive flex cable on logic board. Visually inspect connectors for any debris, damage or bent pins. If no damage, reseat optical drive flex cable on logic board, reinsert logic board and verify that both types of media are read reliably now. 3. Connect known good optical Yes Go to step 4 drive and cable to logic board. Do both types of media reliably read /write now? No Go to step 5 4. Test write data to compatible CD and DVD media. Verify burned media is recognized and reads reliably. Yes Issue resolved. No Go to step 5 5. The balance of some media Yes Media issue. No repair may not perform at the higher necessary. speeds supported by the drive. Does slowing the requested burn speed allow the discs to No Replace user's optical drive. J07 write reliably? Optical Drive Noisy Quick Check Symptoms Optical Drive Noisy (J04) • Noise during boot • Noise during operation • Noise when drive is copying or writing data Quick Check 1. Test optical media in another drive of the same type in same type of machine to rule out media issue. 2. Check with Known Good Discs like the Install disks that came with the computer. 3. Check to see if noise occurs without media in the drive. If so, check hard drive and fan caused noise. Mac mini (Mid 2010) Symptom Charts - Mass Storage 63

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Mac mini (Mid 2010) Symptom Charts — Mass Storage
63
2010-08-03
2.
Remove bottom cover,
disconnect AirPort antenna and
remove shield, disconnect and
remove fan and cowling, then
check the optical drive flex
cable on logic board. Visually
inspect connectors for any
debris, damage or bent pins.
If no damage, reseat optical
drive flex cable on logic board,
reinsert logic board and verify
that both types of media are
read reliably now.
Yes
Go to step 5
No
Go to step 3
3.
Connect known good optical
drive and cable to logic board.
Do both types of media reliably
read /write now?
Yes
Go to step 4
No
Go to step 5
4.
Test write data to compatible
CD and DVD media. Verify
burned media is recognized
and reads reliably.
Yes
Issue resolved.
No
Go to step 5
5.
The balance of some media
may not perform at the higher
speeds supported by the drive.
Does slowing the requested
burn speed allow the discs to
write reliably?
Yes
Media issue. No repair
necessary.
No
Replace user’s optical drive.
J07
Optical Drive Noisy
Quick Check
Symptoms
Quick Check
Optical Drive Noisy (J04)
•
Noise during boot
•
Noise during operation
•
Noise when drive is copying or
writing data
1.
Test optical media in another drive of the same
type in same type of machine to rule out media
issue.
2.
Check with Known Good Discs like the Install
disks that came with the computer.
3.
Check to see if noise occurs without media in
the drive. If so, check hard drive
and fan caused
noise.