Burnt Smell/Odor

Unlikely cause: speakers, microphone, rear housing

Quick Check

Symptoms

Quick Check

 

 

 

Burnt Smell/Odor

1.

Verify that computer is the source of the odor.

Burning smell

2.

If system is new, see kBase #TA22044: New

Unusual odor

 

Equipment: Odors May Be Present Short-Term.

 

 

3.

Disconnect all third-party devices and check to

 

 

 

see if any external device is the source of odor.

 

 

4.

Inspect air intake and air outlets for obstructions.

 

 

 

To prevent overheating make sure there

 

 

 

is sufficient clearance to allow air to flow

 

 

 

unobstructed into and out of the system.

 

 

5.

Verify if system is functional.

 

 

 

 

Deep Dive

Check

Result

Action

Code

 

 

 

 

 

1.

Verify if source of the odor

Yes

Replace affected module(s).

P08

 

can be identified by visually

 

Go to step 2

 

 

inspecting each module

 

 

 

 

and its associated cables for

 

 

 

 

signs of burned or damaged

No

Unable to locate source of

 

 

components, smoke residue,

 

 

 

odor. Go to step 3.

 

 

burned traces, or melted or

 

 

 

 

 

 

 

damaged wiring,

 

 

 

 

 

 

 

 

2.

Disconnect all third-party

Yes

Power down system

 

 

devices and cables. Power ON

 

immediately. Go to step 3.

 

 

system and verify if smoke or

 

 

 

 

No

System functions correctly.

 

 

strong odor returns.

 

 

 

 

Verify system functionality

 

 

 

 

with third-party devices and

 

 

 

 

cables and return system

 

 

 

 

to user if problem has been

 

 

 

 

resolved. Consult third-party

 

 

 

 

companies as needed for

 

 

 

 

issues with those products.

 

 

 

 

 

 

2010-09-09

iMac (27-inch, Mid 2010) Symptom Charts — Startup and Power  51

Page 51
Image 51
Apple MD094LL/A manual Symptoms Quick Check Burnt Smell/Odor