TAZ LCD start to blink when power on?

hey guys, I am kind of new to Lulzbot Printer, I had this problem whenever I turn the power on, the LCD screen blink and doesnt show any option. Hope anyone can help me with this problem… thanks

Check the two cables behind the Graphical LCD controller. They should both be fully seated. If they are and the GLCD controller still does not show the normal menu/information screen contact us at Support@LulzBot.com and we’ll help troubleshoot through email. Please include your order number, printer serial number (Found on the lower rear of the electronics enclosure) in your message.


I had seen similar symptoms when I had the Taz Rambo switch on, Taz power supply off, and the USB cable connected to a computer. Make sure the switch on the power supply is on too.