These MacBooks have a T2 security chip:

MacBook Air introduced in 2018 or later

MacBook Pro introduced in 2018 or later

If it has a T2 chip you can reset the SMC as follows (if not, skip this step):

Hold the "Control" and "Option" (Alt) on the left side of your keyboard and the "Shift" on the right side of your keyboard for 7 seconds.

Then additionally press and hold the power button and keep holding all four keys for another 7 seconds, then release them.

Press the power button after few seconds to turn on your MacBook.