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Mac mini (Late 2009) Symptom Charts — Mass Storage 48
2009-11-03
Hard Drive Read/Write Error
Unlikely cause: LCD panel, power supply, fans, speakers, camera, microphone
Quick Check
Symptoms Quick Check
Drive Read/Write Error (H03)
Drive Bad Sector/Defective (H05)
Drive Formatting Issues (H07)
Cannot save documents•
Read/write error message•
Hang when accessing or saving •
data
Boot from Install DVD or external drive. Verify 1.
S.M.A.R.T. status of drive using Disk Utility.
Repair disk using Disk Utility.2.
Erase disk and reinstall Mac OS using Install DVD 3.
or external drive.
Use Target Disk Mode to mount user’s hard drive 4.
on a known good computer. Use Disk Utility on
host computer for Quick Checks 1 through 4.
Deep Dive
Check Result Action Code
Run Disk Utility ‘Repair Disk’ 1.
function and verify that it
completes successfully.
Yes Go to step 2
No Go to step 3
Reboot computer. Verify that 2.
system boots successfully and
that Disk utility ‘Verify’ function
reports no errors.
Yes Data error Issue resolved.
Return computer to user.
H07
No Go to step 3
Erase disk and reinstall Mac OS 3.
using Install DVD or external
drive. Verify that installation
process completes.
Yes Go to step 7
No Go to step 4
Inspect interconnect board 4.
connector for bent pins, or
other damage to the board..
Yes Replace interconnect board.
Go to step 7
H04
No Go to step 5
Reseat interconnect board, 5.
hard drive and logic board
connections and verify whether
computer starts up
Yes Go to step 7
No Replace interconnect board,
go to step 7
H04