on ovens can be solved relatively quickly.
your oven will function properly with working hinges.
power off your oven and open the door. locate the metal locking tabs at the rear of the hinges.
lift the locking tabs up so they connect to the groove at the rear of the hinges.
close the oven door and lift it up by the handle to remove the door from the oven. place the oven door on a sturdy work surface.
remove all screws on the rear panel of the oven door. remove the panel to expose the hinge.
tighten any loose screws on the hinges with your screwdriver. if the hinge is damaged beyond repair you can remove 