Apple A1267 Specifications download pdf (Page 26)

LED Cinema Display (24-inch) Symptom Charts — Display Issues 26

2010-02-08

LCD Image Issues

Quick Check

Symptom Quick Check

LCD Issues

Pixel anomalies•

Non-uniform brightness•

Incorrect/missing colors•

Distorted/blurred image•

Vertical/horizontal lines•

Allow display to reach normal operating 1.

temperature for about 15 minutes before

evaluating front-of-screen performance.

Verify display being used with supported 2.

system. If used as second display, check display

preferences to see if display is recognized by

system.

Verify USB/display/power connectors are fully 3.

seated.

Check display preferences for use of custom 4.

display prole.

Check brightness setting.5.

Clean glass panel while checking for dust/debris.6.

Deep Dive: General

Check Result Action Code

Verify if issue is blank/no video.1. Yes

Go to blank/no video.

No Go to step 2.

Verify if issue is bright or dark 2.

dot pixel anomalies.

Yes

Go to pixel anomalies.

No Go to step 3.

Verify if issue is non-uniform 3.

brightness.

Yes

Go to non-uniform

brightness.

No Go to step 4.

Verify if issue is incorrect/4.

missing colors.

Yes

Go to incorrect/missing

colors.

No Go to step 5.

Verify if issue is distorted/5.

blurred image.

Yes

Go to distorted/blurred

image.

No Go to step 6.

Verify if issue is vertical or 6.

horizontal lines.

Yes

Go to vert/horiz lines.

No LCD functioning OK.

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Apple A1267 Specifications Page 26

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