G29 not working right

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My logitech g29 had a problem where it shifted up automatically at random times so since gmail deleted my recipt i decided to take it apart and check the connections . when everything looked fine in my mind i cleaned up the dust and put it back together , but when i plugged it back in the steering and pedals worked fine however no buttons are working except the X button which seems to activate most of the other buttons when pressed . so took it apart again thinking maybe the screws are too tight and holding the buttons however that was not the problem , ive taken this apart about 8 times now and nothing looks wrong to my knowledge . if someone could give me suggestions itd be greatly appreciated as i worked all summer to afford this and there is noway i can get another one for a long time and drifting/racing is a huge passion of mine and would love to continue. Nothing is a dumb response i literally need any help i can get (first picture is xbutton)