screen won't turn on after camera replacement

I just replaced the camera on my Pixl 4a and the screen does not come on after reassembly. There is a vibration when the power button is pushed. The screen connector seems to be snug.

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Were other connections disconnected to replace the camera? The simple answer may be leaving a connector loose/disconnected/damaged, pulling and damaging a ribbon cable, damage to circuitry when disassembling/reassembling this phone.

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