What do you mean by “not power up”?
Can you provide more information?
As in nothing on the display when power is plugged in. Chip does not heat up.
If you connect the board to your computer, open the Serial Monitor and press the on-board RST button, does it show anything?
What is exactly your board model?
This one: https://makeradvisor.com/esp32-ttgo-t-camera-pir-sensor-oled/
Or this: https://makeradvisor.com/ttgo-t-camera-plus-esp32-review-pinout/