Cant control servo with potientiometer

As above,I cant control servo with potientiometer

code is the same as which is given in arduino examples
Servo connected to pin 9

Do us and yourself a favour and post the code and schematic here following the advice in How to get the best out of this forum regarding the use of code tags

Pls see this

signal wire broken,problem found

i mean all 3 wires - power,signal and ground

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Post the code here, according to the advice.
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