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Mass storage, Hard drive not recognized, Mass storage 46 – Apple Mac mini Late 2009 (Technician Guide) User Manual

Page 46: Hard drive not recognized 46, Hard drive, Not recognized, Hard drive not, Recognized

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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