The Sony Xperia Z3 is an android smartphone released in 2014 known for it’s long battery life and durability.

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Black screen with sound and green light

I recently changed the screen/digitizer but there is nothing but only a sound from the alarm clock. How do I make the screen turn on? everything is black on display.

thank you :)

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Chosen Solution

Chances are screen is not connected properly, the ribbon cable that plugs between the logic board and the screen cable may be damaged.

Or at worst, the screen is faulty.

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I've had this happen a few times after a screen replacement. Always do a hard reset first, most the time it will fix this issue. If not the it's the connection of the flex cables to the board itself and or a faulty replacement screen.

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