RGB LED is not blinking at all!

Please help me, I was flashing some codes into the Electron board, then suddenly the RGB led stopped blinking at all. I tried disconnecting then connecting but still not blinking. Please help.

Have you tried Safe Mode?
Is your battery charged?

my battery is charged, and I can’t even put my device to safe mode, the rgb led is not working.

@MahmoudAyman, is your Electron connected to any sensors or other things? If it is, isolated the Electron on a breadboard with nothing but the battery and USB power connected to it.

I tried that