Why i cant play any videos on my tablet nexus 7?plz help ty

[Bhunso]

Why i couldnt play any videos on my tablet its nexus 7 please help!

 

[ThatVietGuy]

Do you want to be more specific about what type of videos? What player you're using? Or being MORE SPECIFIC?

Or would you like to leave it as is and get no answer at all?