Apple Technician Guide - tim.id.au
Apple Technician Guide - tim.id.au
Apple Technician Guide - tim.id.au
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2010-08-05<br />
Display<br />
Display Anomalies<br />
Quick Check<br />
Symptom Quick Check<br />
Display Anomalies<br />
• Incorrect/missing colors<br />
• Distorted/blurred image<br />
• Pixel anomalies<br />
• Vertical/horizontal lines<br />
• Non-uniform brightness<br />
• Image flicker<br />
• Image persistence<br />
Deep Dive: General<br />
1. Allow display to reach normal operating<br />
temperature for about 15 minutes before<br />
evaluating front-of-screen performance.<br />
2. Check display preferences for use of custom<br />
display profile.<br />
3. Check brightness setting.<br />
4. Check for Software Updates.<br />
5. Clean glass panel while checking for dust/debris.<br />
6. Go to Deep Dive: General<br />
Check Result Action Code<br />
1. Verify if user’s issue is incorrect/<br />
missing colors.<br />
2. Verify if user’s issue is distorted/<br />
blurred image.<br />
3. Verify if user’s issue is bright or<br />
dark pixel anomalies.<br />
4. Verify if user’s issue is vertical or<br />
horizontal lines.<br />
5. Verify if user’s issue is nonuniform<br />
brightness.<br />
Yes Go to Incorrect/Missing<br />
Colors Deep Dive.<br />
No Go to step 2.<br />
Yes Go to Distorted/Blurred<br />
Image Deep Dive.<br />
No Go to step 3.<br />
Yes Go to Pixel Anomalies Deep<br />
Dive.<br />
No Go to step 4.<br />
Yes Go to Vertical/Horizontal<br />
Lines Deep Dive.<br />
No Go to step 5.<br />
Yes Go to Non-uniform<br />
Brightness Deep Dive.<br />
No LCD functioning OK.<br />
MacBook Pro (15-inch, 2.53 GHz, M<strong>id</strong> 2009) Symptom Charts — Display 71
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