ELEGOO MARS & Mars Pro: How to replace C version motherboard

If your Mars or Mars Pro needs replace C version motherboard, please follow the steps below: 

Tools you need: Motherboard of Mars or Mars Pro, 2mm Hex Wrench, Marker Pen

Part One： Disassemble

Step 1: Unscrew the screws that lock the front shell with the 2mm Hex Wrench

Step 2: Gently unplug the cable that connects the motherboard and the touch screen

Step 3: Unscrew the screws that lock the back shell then remove the shell

Step 4:  Mark the ports with numbers as shown in the video

Step 5:  Unplug the ports, unscrew the screws, and take off the old motherboard

Step 6: Gently unplug the cable that connects the motherboard and the touch screen

Part Two: Reassemble

Step 1: Reconnect the touch screen cable to the motherboard

Step 2:  Connect the cable back on to the new board then lock the screws

Step 3: Reconnect the LCD cable to the board then apply the black tape to fix the cable

Step 4: Put the back shell back on and lock the screws

Step 5: Reconnect the touch screen cable

Step 6: Put the front shell back on and lock the screws

Instructional Video