Geeetech

now the new board not connect, first board stop in the step four, wait long time and now i cant pass to the step 3 :evil:
and read in this forum people install the last version and not work
i don't like the idea to continue lost time to this board,this firmware, and the st-link really need start to ...

today (40 days after to arrive the printer) finally arrived one new board, but i dont know what is the version in this board
tomorrow install and try print to my new board
what is the way for check the firmware version in the lcd ? i can see in the first board but i cant see in this board the option

Thanks for your reply, yes i try in 3 computers and obtain the same problem in the erase step
i think the problem is the board, but order one new st-link for check
my version is 1.0.2
i not possible print for usb, install the drivers etc, but cant print, the same problem, start for a few seconds

just check now, the PSU output 24,2V

and this is how my m201 printer not print

https://youtu.be/DcN6y62VXd4

i not adjust the PSU but i can move the 3 axis to home whitout any problem, and move the extrusors, but not print!
and cant install the new filmware, i am stop in the erase part:

http://thumbs.subefotos.com/f38643c1a9c7426feabad3d91efd197eo.jpg

http://thumbs.subefotos.com ...

The printer not work , only try print 2 or 3 layers and strop forever
i try erase the board but i cant, one massage say board erase protection

at the moment i lost one million hour to try work my new m201....i don't understand how is possible sell an unfinished product
many problems and now i try install the new firmware ( why?? is a new product but not work....)
step by step continue your guide...but not possible the" full chip erase ...