status leds dim when micro usb is pluged into computer

[samuelklassen]

so im trying to connect to a computer and all the lights are on when i power the 3d printer on, when i connect the cable two of the lights go out. the orange and blue lights stay on but are dimmed.

[dc42]

@samuelklassen it sounds to me that you may have a connection within your printer between mains ground and something else. Perhaps the printer metalwork is grounded to the mains and you have a short between the hot end heater and the hot end metalwork; or something similar.