I want to thank you
Yes, the problem was due to the power supply
I thought the yellow lighting meant that it was connected

I checked out the connector and looks fine, here you can see the problem I have https://youtu.be/rUOQDjZTT88

I did try but no luck
Is it possible that it is due to a bad display?
What about the error can't create /sys/class/leds/led0/trigger: nonexistent director ?

Thanks

I setup the display as per the following page https://thepihut.com/blogs/raspberry-pi ... mbly-guide

the display behavior is odd, this what I can see: 1. rainbow screen 2. bright frame around the screen 3. cycles several times 4. error can't create /sys/class/leds/led0/trigger: nonexistent directory 5. menu screen to select OS 6. white screen 7. 4 raspberrys 8. bright frame around the screen 9.rain...