No image shows up, but usb and speaker works, what solution can it be?

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Apple LED Cinema Display 24"

24" display; Built-in iSight Camera, Microphone, and Speakers; 1920x1200 resolution. Released October 2008, identified by model number A1267.

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Alex @hru1207

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Postado: 26 de jul de 2020

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No image shows up, but usb and speaker works, what solution can it be?

Have this 24” led Cinema Display for a while, recently, have problems with black screen, but speaker through USB port is still working. I checked with other people’s post who had this similar issues in the past, but didn’t find what solutions they use to get it resolved, etc. Can anyone share your comment what did you use to get it resolved? Or replace the logic board the only way to get it worked again?

Thanks,

Tom

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7 comentários:

Using a strong flashlight rest it on the display at a sharp angle can you see the faint image of your desktop and its icons?

26 de jul de 2020 por Dan

@danj No, didn't see any, plus, it didn't detect any external display by either pc or MacBook Pro laptops.

26 de jul de 2020 por Alex

Then you likely have a bad logic board

26 de jul de 2020 por Dan

@danj Thanks Dan. But curious to know why USB ports are still working if logic board is bad?

26 de jul de 2020 por Alex

The USB ports are using a simple USB hob chip which is independent of the logic with drives the LCD panel.

Just like your car which has a dead wiper motor, that doesn't stop you from driving as long as its not raining ;-}

27 de jul de 2020 por Dan

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Using a strong flashlight rest it on the display at a sharp angle can you see the faint image of your desktop and its icons? — Dan
@danj No, didn't see any, plus, it didn't detect any external display by either pc or MacBook Pro laptops. — Alex
@danj Thanks Dan. But curious to know why USB ports are still working if logic board is bad? — Alex
The USB ports are using a simple USB hob chip which is independent of the logic with drives the LCD panel.

Just like your car which has a dead wiper motor, that doesn't stop you from driving as long as its not raining ;-} — Dan