d500 key prob

[thephoneman]

i have a d500, no sign of liquid damage-but cleaned anyway,and the up,down and contacts keys do not work.iv changed the ribbon for new1 but still no joy? :confused: :confused:
any ideas out there.......:)
thanks in advance.

[freewaycell]

D500 only power butene working help mee

[AZZ14]

change flex if not change connector flex you see damaged