You can change the door on a mini-fridge with some tools like a screwdriver by yourself. You need to change the hinge position to the other side of the mini-fridge door. Check out the full step-by-step guide. 1. Remove the hinge cover 2. Remove the screws holding the hinge 3. Remove the top hinge and door of your fridge 4. Remove the screw-hole plugs and reinsert them 5. Remove the lower hinge bracket. 6. Replace the door of the fridge and fix hinges on the opposite side along with screws.