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? Is it difficult to assemble X-Class? How fast can the X-class go? Where can I find the serial number on my bike? Will you offer full fenders on X-Class? Comments 0 comments Please sign in to leave a comment.