Geeetech

ok, now i got firmware (old) over on the printer, and thats all, light and text in lcd ok, it can not hold the connection to windows, and i got, severeal 3D Printers, big Drones, Advanced Detectors, and a lot of other electronic devices, with NO problems to connect and hold connection to my computer...

Nothing i lcd only 2 rows of squares. Adruino its impossibly to installm the file, the guide says "DRAG THE FILES" how and where is it that i should drag them to????????????? i can OPEN the file named Marlin.ino but then its only one error on another. Isnt there really not a standard file thar actua...