XYZ Davinci 1.0 usb disconnect after flash
Hi, I'm new to 3d printing and thought I would get a used Davinci XYZ 1.0 printer that was flashed with Repetier .92.1 the previous owner said just to re flash as he probably messed some stuff up. It did boot and move and work for the most part but i didn't print anything. I tried to re flash with the Arduino and repetier firmware but it failed all I get is two black bars on the display. The problem is now the USB connects and disconnects in a loop and is unknown hardware. I cant do anything until I figure this problem out. Does anyone have any ideas on what might be the problem. I also tried a different computer both windows 10 and same problem.
Thank you in advance for any one that may have input.