Port 8123 not responding / new installation R Pi 3 v2

Installation
1

Hello! I am new to Home Assistant and try to set up my first raspberry. I’m not an IT person and follow blindly the instructions. I have been able to install home assistant by flashing a memory card with sketcher as instructed, and my raspberry pi 3 v2 has started up successfully - all LAN parameters OK , IP address available and device data accessible, device pingable…but…all ports except 5355 of the device are closed when scanning for open ports - i.e. I can not access any UI on port 8123, there is no answer when I try to open the page. I have not port restrictions in place across the LAN. What to do? Anybody who could help?

Thanks a lot!!

2

Pi3B or Pi3A?

The 3A is … not going to be up to the job.

Also, you flashed the Pi3 image, not the Pi4 image?

3

Plug in a monitor and keyboard. What does it say?

5

Its R Pi 3 B v1.2…and I did flash the Pi 3 image.

6

Will try this again the morning. Tried already earlier, but possibly with a weak power supply, and there was nothing on the display.

7

If the monitor is not attached when the pi is booted, it may not show anything. Try booting the pi with it attached to the turned on monitor.

8

And if it shows that it is starting up, then let it work over a night or so.
The installation might need to download a lot from the internet and sometimes GitHub can cause issues for hours or even a few days.

9

Thank you everybody!! Got it sorted - it was a combination of 1) wrong power source 2) screen not connected at startup 3) crashed flash. When things go wrong, they all do at the same time…

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