Reasons for iPhone screen get black

Dropped iPhone, LCD screen cable become dislodged

Surprises happen always, sometimes you dropped your iPhone to the ground by accidently and then your iPhone screen went black, even though you’ve tried to press the power button and home button to restart your iPhone, still it won’t works, then the reason may be the LCD screen cable connector (which can be called display data connector), when your iPhone hit the floor and the LCD screen cable connector which connected to the motherboard has been loosen. Once the connector failed to connecting with motherboard (logic board) then with no doubt the screen can’t work normally. If so, you need to disassemble your iPhone and re-connect the display data connector then it should fix the problem. But be careful, when reassembling your phone, the display data cable may pop off its connector. This can result in white lines or a blank screen when powering your phone back on. If that happens, simply reconnect the cable and power cycle your phone.

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