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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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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hazel copcutt will be eternally grateful.
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