Geeetech

Hi. skysurfer.. Sorry i bad in english.. your problem look like same with me before.. i buy 3d printed in ebay but it work 2 hour only and show black cell, Can't load firmware arduino.. my board problem is Cristal 16Mhz Stuck not start, i put multimeter set mode Diod or Beep, cable Black GND and Red...

Hello.. it same problem with me.. some time it working, if unplug in 3-5 hour or more. when switch OFF and ON, it not working again. i thing board problem, like won't start.. but i have order new board..