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Mac mini (Late 2009) Symptom Charts — Mass Storage 46
2009-11-03
Mass Storage
Hard Drive Not Recognized
Unlikely cause: AC adapter, fan, speaker.
Quick Check
Symptoms Quick Check
Drive Not Recognized (H01)
Drive No Boot (H02)
Flashing Question Mark•
Boots to Grey Screen•
Boots to Blue Screen•
Use a known good mouse. A stuck mouse button 1.
will not allow boot.
Boot from Install DVD or external drive. Verify 2.
S.M.A.R.T. status of drive using Disk Utility.
Repair disk using Disk Utility.3.
Erase disk and reinstall Mac OS.4.
Use Target Disk Mode to attempt to mount 5.
user’s hard drive on a known good computer. If
mounted, use Disk Utility on host computer for
Quick Checks 2, 3 and 4.
Deep Dive
Check Result Action Code
Boot from Install DVD or 1.
external drive and run Disk
Utility. Verify that user hard
drive is available for Disk Utility
to repair.
Yes Go to step 2
No Go to step 5
Run Disk Utility ‘Repair Disk’ 2.
function and verify that it
completes successfully.
Yes Go to step 3
No Go to step 4
Reboot computer. Verify that 3.
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 4.
Erase disk and reinstall Mac OS 4.
using Install DVD or external
drive with an installer on it.
Verify that installation process
completes.
Yes Go to step 8
No Go to step 5