Apple A1267 Specifications download pdf (Page 32)

LED Cinema Display (24-inch) Symptom Charts — Input/Output Issues 32

2010-02-08

Verify that USB device is 6.

supported with the system and

Mac OS X version being used.

Yes Go to step 7.

No Refer to device manufacturer

for compatibility support.

Verify that USB device works 7.

with another known good

display.

Yes

Replace logic board. M15

No Refer to device manufacturer

for compatibility support.

Camera Issues

Unlikely cause: LCD panel, power supply, blower, subwoofer, speakers, microphone

Quick Check

Symptoms Quick Check

Camera Issues

Camera not detected•

No green LED for camera•

Excessive blooming•

Poor white balance•

Poor focus•

Image distortion•

Verify display’s USB and Mini DisplayPort 1.

connectors are plugged into known-good

supported system.

Verify that all rmware updates have been 2.

applied. See kBase #HT3957: “About the LED

Cinema Display iSight Camera Firmware

Update 1.0”

Launch System Proler and conrm that display’s 3.

USB hubs are visible.

Verify camera lens and glass panel are clear of 4.

contaminants.

Deep Dive

Check Result Action Code

Launch System Proler and 1.

conrm that the display’s USB

hub is visible in the USB tree.

Yes USB hub recognized.

Go to step 2.

Go to USB Issues symptom

code ow.

Launch System Proler and 2.

conrm that iSight camera is

recognized in display’s USB

tree.

Yes Go to step 3.

Reseat camera cable and

retest. If problem persists,

replace camera cable.

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Apple A1267 Specifications Page 32

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