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Help me, please - How to fix Up board on 7 inchs TFT LCD

 Dear you,

1. I tried to follow documents at the link to fix Up board at the back of display as the instruction but I can not see the hole to screw 4 screws or bolts at the back of the display
2. How to connect 6 pins flat cable - JP1 with connector J6 at the right, bottom of board (connector has red circle on the picture). It very hard to lock cable and connector.
My contact: [email protected].
Thanks for carring my problems, have a good day !