no printer attached message with tft35-e3 v3,0,1

[dan houze]

recently purchased this screen and flasheed with marlin software from V1.  in marlin mode it homes and moves the machine just fine but displays no mediawhen trying to run g-code.  in touch mode it recognizes thee sd card but top of display says no printer attached. 

[BIQU info]

Hello, if you have any using problems. Please feel free to contact our technicians by submitting a ticket. They will settle down your problem soon. Here is the link:

https://biqu3d.com/pages/submit-a-ticket