My X-class doesn't turn on, what should I do? May 28, 2020 18:32 Updated Make sure the battery is properly seated, Kindly check the plug of the screen and make sure it's properly connected. After that you'll see the power button at the bottom of the screen, please press and hold power button for 3 seconds. Related articles What kind of maintenace should I do on my X-class? How fast can the X-class go? Is it difficult to assemble X-Class? Can I put D-Class battery on X-Class? Can I get X-class in a different color? Comments 0 comments Please sign in to leave a comment.