Background image on windows

[JaljalMehdi]

I can not change the background image of the dashboard
here is the path of the image:

here is setting.js:

here is the template:

I see nothing wrong could anyone help

[Steve-Mcl]

@JaljalMehdi

setting.js:

You have not enable it (remove the // comment mark)

[JaljalMehdi]

Thank u so much