Apple Technician Guide MacBook Pro (15-inch, Mid ... - tim.id.au
Apple Technician Guide MacBook Pro (15-inch, Mid ... - tim.id.au
Apple Technician Guide MacBook Pro (15-inch, Mid ... - tim.id.au
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2010-08-05<br />
System Runs Hot<br />
Unlikely c<strong>au</strong>se: LCD, hard drive, optical drive<br />
Quick Check<br />
Symptom Quick Check<br />
System Runs Hot<br />
• System feels very warm<br />
• Fan(s) not working<br />
• Fan(s) are full on<br />
Deep Dive<br />
1. Verify the computer operating on a flat, hard<br />
surface and the vents are not blocked.<br />
2. Verify the computer is not running hotter than<br />
expected for normal operation. If possible,<br />
compare to a similarly configured computer.<br />
3. Reset SMC.<br />
4. Inspect fan performance<br />
5. Run thermal sensor test.<br />
Check Result Action Code<br />
1. Verify if the system is running<br />
as expected (compared to<br />
similar system).<br />
2. Verify if there are runaway<br />
applications. See “Runaway<br />
applications can shorten<br />
battery run <strong>tim</strong>e” (Knowledge<br />
Base TS1473).<br />
3. Fans are typically on at<br />
minimum speed. Perform SMC<br />
reset and verify if the fans are<br />
running properly.<br />
4. Reseat fan connection to logic<br />
board or test a known-good<br />
fan. Replace any fan which is<br />
not spinning or replace logic<br />
board which is not spinning a<br />
known-good fan. Verify if fan(s)<br />
are working properly.<br />
Yes Use “<strong>Apple</strong> Portables:<br />
Operating Temperature”<br />
(Knowledge Base HT1778)<br />
to inform user it is operating<br />
normally.<br />
No Go to step 2.<br />
Yes Check with the vendor for<br />
compatibility and software<br />
update.<br />
No Go to step 3.<br />
Yes Go to step 5.<br />
No Fan(s) not running or always<br />
running at full speed. Go to<br />
step 4.<br />
Yes Reseating or replacing bad<br />
fan resolved issue. Replace<br />
logic board if it does not work<br />
with known-good fan.<br />
No Go to step 5.<br />
X99<br />
or<br />
M18<br />
<strong>MacBook</strong> <strong>Pro</strong> (<strong>15</strong>-<strong>inch</strong>, <strong>M<strong>id</strong></strong> 2010) Symptom Charts — Mechanical Issues: Thermals and Enclosure 107
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