Why won't my dryer turn on?

You eather have a broke door switch or a blown thermal fuse you can check the door sitch just press and releace the switch it sould click it the tab i not broken if it is broken or you don't hear it click just replace the door switch.if the switch is good you need to replace the thermal fuse it is located on the back of the dryer. unplug the dryer remove the back cover at the bottom the is a small white fuse on the blower housing it has two blue wires pluged into it remove the one screw and wires replse the fuse reconect wires put back cover on plug in dryer and test.