Screen turned off...
So I just got this printer, Ender 3 v2, my first 3D printer. I printed a calibration cube a day ago, that went fine. Today I was printing something I designed, and 10 minutes into the print, the steppers stopped and the screen went dark.. The fan on the hot end was still running, but everything else stopped. I took the motherboard cover off and checked the fuse and stuff and it was fine. I started wiggling stuff around, and the screen came back on for a second, so I put the cover back on and when I flipped it back over, it was dark again... The screen and steppers only work when the printer is hooked up to my computer via usb, I guess it's getting powered through that.
Can someone please help me figure out what's going on?? I have no knowledge of 3D printers or electronic components yet, total newbie. Would greatly appreciate any help.