A:Answer Van - We are sorry to hear that you are having issues with your VTech VM5251. If the display won't turn on, try resetting the unit by unplugging the AC adapter and batteries on the parent unit. After 1 minute, reinstall the batteries on the parent unit and plug the AC adapter. If this does not help, please contact our Customer Support at 1-800-595-9511.We are open from Mondays through Fridays, 9:00 AM to 5:00 PM. Thank you! -VTech Support