Apple Mac Pro - Page 59

Mac Pro (Mid 2010) Symptom Charts — Burnt Smell/Odor 59
2010-08-31
Burnt Smell/Odor
Unlikely cause: Enclosure
Quick Check
Symptoms Quick Check
Burnt Smell/Odor
Computer emits an odor or smell
of smoke.
1. Disconnect the power cord from the computer.
2. Identify the source of the odor.
3. Some odors may be present when operating
normally. Refer to http://support.apple.com/kb/
TA22044?viewlocale=en_US
4. Some visual clues may include brown marks on
PCB’s, and component damage i.e. transistors, IC’s,
inductors, capacitors, resistors etc.
5. When certain components fail because of
overheating, the smell or odor clues may not be
evident after the time of the incident.
6. Some components may not be easily accessible
for visual identication of possible failure.
Important: Components may emit brief non-
continuous smoke or odor when the failure occurs.
This does not typically suggest a safety issue.
However, make a thorough inspection and if you
feel there may be a safety issue with the computer,
please notify Apple through the appropriate
escalation route.
Deep Dive
Check Result Action Code
1. Verify source of the odor i.e.
foreign contaminant such as
uid ingress, dust, hair, etc
Yes Cleanup foreign contaminant,
replace any aected modules.
Foreign contaminants are not
covered by Apple warranties
P08
No Go to step 2
2. Inspect PCB’s and components
for indications of a thermal
event
Yes Replace any aected modules P08
No Go to step 3