Orange LED does not light up

Hi to all.
Suddenly the orange LED in my seeeduino XIAO stopped lighting up.
So the board can not been seen in my mac as a device and i can not use it.
Is there any solution to this?
Thanks in advance.

https://wiki.seeedstudio.com/Seeeduino-XIAO/#reset @jxid71 I think you need reset.

Thanks for the answer.I have already tried this.Nothing happens.

You need reset twice fast. It will be appear a U disk on your PC.