Hi,
Welcome to the forum.
How have you got your button wired?
Can you please post a picture of your project?
Can you please post a copy of your circuit, in CAD or a picture of a hand drawn circuit in jpg, png?
What does your monitor show?
Tom... 
Hi,
Welcome to the forum.
How have you got your button wired?
Can you please post a picture of your project?
Can you please post a copy of your circuit, in CAD or a picture of a hand drawn circuit in jpg, png?
What does your monitor show?
Tom...