When I connect my Acer laptop to a TV with an hdmi cord, I get no image!

[yoyoyoyoyo]

It's never done this before, it usually works and now, all of a sudden, it doesn't work anymore!
Please help

 

[dodger46]

It's never done this before, it usually works and now, all of a sudden, it doesn't work anymore!
Please help

Presume you tried Windows key plus P and changing 'Source' at the TV?