La9100xtw1 size whirlpool

What is the model number?

When you say it won't start, do you mean it won't heat up or do you mean it won't spin?

you need a new lid switch google model number and order new one

There should be a door-actuated limit switch which detects that the door is closed, which is probably defective. Look for the plunger, listen for the click. It is the most likely component to fail, and is inexpensive to replace if you're handy. Be sure to have your machine unplugged during repairs.

If this is just clicking then the agitator bearings stuck or something is jamming it.

turn your dailer to spin cycle

You probably have either a bad gearcase, timer, or lid switch. Defective motor is also possible.

The motor may be shot if it is getting current and won't operate the washer.

Lidswitch:

Video:
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If you need further help, reach me via phone at https://www.6ya.com/expert/dan_73bbd84fe1d95b61

WASHER FILLS WITH WATER, THEN WON'T AGITATE. TURN KNOB TO SPIN AND IT DRAINS THEN SPINS. STILL WON'T AGITATE please show me a diagram