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 />
9. Check for No Backlight<br />
Condition.<br />
Power on unit.<br />
Using a lamp or bright light<br />
source, inspect for faint image,<br />
and verify if a faint image can<br />
be seen.<br />
10. Verify with Known good<br />
display assembly<br />
Connect known-good display<br />
assembly to system.<br />
11. Verify with reseated backlight<br />
cable or replaced display<br />
assembly<br />
Verify if unit now has v<strong>id</strong>eo<br />
and backlight.<br />
Yes Logo image visible - check<br />
LVDS cable and inspect for<br />
damage near clutches:<br />
. if damaged, replace display<br />
assembly and go to step 11<br />
. if cable is not damaged, run<br />
Clamshell Service Diagnostic<br />
utility and check for LCD<br />
panel presence, If not found,<br />
reseat LVDS cable and retest,<br />
then go to step 11<br />
No If symptom continues, go to<br />
step 10.<br />
Yes System is functioning with<br />
known-good display assembly<br />
Replace display assembly if<br />
following symptom reporting:<br />
- had no power issue<br />
- had incorrect/missing colors<br />
- had blank v<strong>id</strong>eo<br />
- had distorted / blurred v<strong>id</strong>eo<br />
- had vertical/horizontal lines<br />
- had noise/unstable flickering<br />
- had dim backlight<br />
- had bad spot(s)/pixels<br />
- had no backlight<br />
- could not change resolution<br />
No Symptoms unchanged.<br />
Replace logic board.<br />
Yes Issue was only due to<br />
damaged display assembly or<br />
unseated cable.<br />
No Previous display cable<br />
damaged the logic board.<br />
Replace logic board.<br />
L09<br />
L01<br />
L02<br />
L03<br />
L04<br />
L05<br />
L06<br />
L07<br />
L08<br />
L09<br />
L10<br />
M03<br />
M25<br />
<strong>MacBook</strong> <strong>Pro</strong> (<strong>15</strong>-<strong>inch</strong>, <strong>M<strong>id</strong></strong> 2010) Symptom Charts — Startup and Power Issues 37
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