GE dryer intermittely starts Door connectivity bad?

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Brand:GE
Model Number:DBL333EBWW
Main Symptom:wont start consistently
What happens & when:have to mess with closing the door several times for it to start not not starting at all

Error Code (if any):no this dryer 22 yrs aold
Parts or tests already tried:Ihave jiggled the button on the door and gotten it to start or closed the door at given force.nothing consistent. is there a part behind the button and how do I get to it?
Photos / video link:

1st turn the power off or unplug the machine. The door switch is there. Use a small flat screwdriver or putty knife to pop the switch out, then check the wiring and/or replace the switch.

thank you. I will try that this weekend. I do hope thats all it is. Rather fix an old one than buy a new one

That Dryer was made by Frigidaire for GE.Here is a tech sheet that you should be able to use as your model number is not complete.Also you can use this service manual here! GE DBL333 TECHNICAL SERVICE MANUAL Pdf Download | ManualsLib

31-15496 GE DBL333EB1WW Dryer Mini Manual.pdf (410.5 KB)

we put the new door switch in. It started up once. I opened the door and we cant get it to start again. What next?