When I power on drone, 2 front red light on no blinking light backside at start

[itsphoto]

HI.
just got mavic pro and it was good till last night.
today tried to power on, 2 front red light on but no blinking light back at start backside. and also can't connect remort.
please help. Thanks

 

[BD0G]

Sounds like a linking issue. Try relinking the Remote Controller.

 

[itsphoto]

I tried but not working.

 

[BD0G]

Try flipping the switch on the side to WiFi and then back to RC. Its located under the flap where the Micro SD card is inserted. Then try linking again.

 

[itsphoto]

I pushed button nothing happen

 

[BD0G]

Try this video :

 

[itsphoto]

I tried but not working. dji assistant 2 can't connect.
please help.
looks like body(drone) problem. I checked other startup videos they have a red light at the front and a blinking light backside.
but mine only front red light.

 

[itsphoto]

please check my video

 

[itsphoto]

It's from other people