Remove the power cord from the wall outlet.
Pull straight out on the appliance so you have a little room to work behind the appliance.
Turn the screw on the clamp that holds the hose into place with a screwdriver. Pull out on the hose to remove it after the clamp is loose.
Pull the dryer farther out from the wall so you can fit directly behind it.
Turn the screws on each of the sides of the appliance counter-clockwise to remove them.
Lift up on the back panel to slide it up, then pull it outward. This will fully remove the back panel of the dryer. Reverse this process to put the panel back into place.