Apple MC408LL Apple Technician Guide - Page 55

Go to Optical Drive Noisy, original Mac mini Install DVD

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Deep Dive Check 1. Disconnect hard drive and optical drive (or second hard drive) cables from logic board, and startup computer to determine if noise is caused by the computer fan. 2. If an optical drive is present, reconnect optical drive cable to logic board, insert the Mac mini Install DVD in optical drive and startup computer to verify if noise is caused by optical drive. 3. Reconnect hard drive cable on logic board and boot from original Mac mini Install DVD inserted in internal optical drive (or in the optical drive of another computer setup in Target Disk Mode) or from an external drive with Mac OS 10.6.3 and run Disk Utility. Verify that user hard drive is available for Disk Utility to repair. 4. Run Disk Utility 'Repair Disk' function and verify that it completes successfully. 5. Re-start the computer. Verify whether the noise is still present. 6. Erase disk and reinstall Mac OS using original Mac mini Install DVD. Verify whether the noise is still present. Note: Make sure data has been backed up before erasing hard drive. Result Yes No Yes No Yes No Yes No Yes No Yes No Action Go to Fan Failures/Thermal issues symptom flow. Go to step 2 Go to Optical Drive Noisy symptom flow. Go to step 3 Go to step 4 Go to Drive not recognized/ mount symptom flow. Go to step 5 Go to step 6 Go to step 6 Data error issue resolved by Disk Utility. Return system to user. Replace hard drive. Go to step 7. Data error issue resolved by Disk Utility. Return system to user. Code 2010-08-03 Mac mini (Mid 2010) Symptom Charts - Mass Storage 55

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Mac mini (Mid 2010) Symptom Charts — Mass Storage
55
2010-08-03
Deep Dive
Check
Result
Action
Code
1.
Disconnect hard drive and
optical drive (or second hard
drive) cables from logic board,
and startup computer to
determine if noise is caused by
the computer fan.
Yes
Go to Fan Failures/Thermal
issues symptom flow.
No
Go to step 2
2.
If an optical drive is present,
reconnect optical drive cable to
logic board, insert the Mac mini
Install DVD in optical drive and
startup computer to verify if
noise is caused by optical drive.
Yes
Go to Optical Drive Noisy
symptom flow.
No
Go to step 3
3.
Reconnect hard drive cable
on logic board and boot from
original Mac mini Install DVD
inserted in internal optical
drive (or in the optical drive
of another computer setup in
Target Disk Mode) or from an
external drive with Mac OS
10.6.3 and run Disk Utility. Verify
that user hard drive is available
for Disk Utility to repair.
Yes
Go to step 4
No
Go to Drive not recognized/
mount symptom flow.
4.
Run Disk Utility ‘Repair Disk’
function and verify that it
completes successfully.
Yes
Go to step 5
No
Go to step 6
5.
Re-start the computer. Verify
whether the noise is still
present.
Yes
Go to step 6
No
Data error issue resolved by
Disk Utility. Return system to
user.
6.
Erase disk and reinstall Mac OS
using original Mac mini Install
DVD. Verify whether the noise is
still present.
Note: Make sure data has been
backed up before erasing hard
drive.
Yes
Replace hard drive. Go to
step 7.
No
Data error issue resolved by
Disk Utility. Return system to
user.