Hard Drive Noisy

Unlikely cause: LCD panel, logic board, power supply, speakers, camera, microphone

Quick Check

Symptoms

Quick Check

 

 

 

Hard Drive Noisy

1.

Boot from Install DVD. Use Disk Utility to verify

• Noise during start up

 

S.M.A.R.T. status of hard drive.

• Noise during operation

2.

Use Disk Utility to repair disk.

• Noise when drive is copying or

3.

Determine if noise is comparable to another

saving data

 

machine of the same model.

 

 

 

4.

Refer to Kbase article TS3204: Evaluating

 

 

normal noise.

 

 

 

Deep Dive

Check

Result

Action

Code

 

 

 

 

 

1.

Boot from the Install DVD and

Yes

Go to step 2.

 

 

run Disk Utility. Verify if user

 

 

 

 

No

Go to Hard Drive Not

 

 

hard drive is available for Disk

 

 

Utility to repair.

 

Recognized symptom flow.

 

 

 

 

 

 

2.

Run Disk Utility ‘Repair Disk’

Yes

Go to step 3.

 

 

function and verify if it

 

 

 

 

No

Go to step 4.

 

 

completes successfully.

 

 

 

 

 

 

3.

Restart the computer. Verify if

Yes

Go to step 4.

 

 

the noise is still present.

 

 

 

 

No

Issue resolved. Return system

 

 

 

 

 

 

 

to user.

 

 

 

 

 

 

4.

Remove glass and LCD panel,

Yes

Replace thermal sensor cable

 

 

check that internal hard drive

 

with correct part number (see

 

 

thermal sensor cable is present,

 

Illustrated Views chapter to

 

 

is the correct type for the

 

identify the part number, and

 

 

installed drive model, is well

 

Take Apart chapter for correct

 

 

connected and retest (with an

 

installation)

 

 

external display connected).

 

 

 

 

No

Go to step 5.

 

 

Verify if the noise comes from

 

 

 

 

 

 

the center fan.

 

 

 

 

 

 

 

 

5.

Disconnect internal hard drive

Yes

Noise issue still present, but

 

 

Sata cable and retest (with an

 

does not appear to be caused

 

 

external display connected).

 

by hard drive. Go to Noise/

 

 

Verify if the noise is still present.

 

Hum/Vibration symptom

 

 

 

 

flow.

 

 

 

 

 

 

 

 

No

Go to step 6.

 

 

 

 

 

 

2010-09-09

iMac (27-inch, Mid 2010) Symptom Charts — Mass Storage  74

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Image 74
Apple MD094LL/A manual Symptoms Quick Check Hard Drive Noisy, Refer to Kbase article TS3204 Evaluating, Normal noise