Home Assistant Yellow doesn't show up after changing place in house

Configuration
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Hello! I had a recent Home Assistant Yellow set up and running, everything was fine.

Today I unplugged it and moved it into another place in the home, reconnected the LAN and power cables (same LAN) but it never showed up again in http-homeassistant-local-8123

(using hyphens in the URLs because I have a limit in the number of hyperlinks I can include in my post)

I waited a long time before trying to access http-homeassistant-local-8123 again, but it still doesn’t open.

The lights are blinking in the HAY, I assume it’s not dead. I’m also sure the LAN cable has connection to internet. It’s just not the same place in the house, I assume a different IP would be assigned to it.

I check the network devices and when I power it up, no new device shows up in the network. Even after 30 minutes.

I thought maybe it wouldn’t work because I linked it to another LAN cable (this is all in the same LAN) and changing local IP would mess up things?

So I did a reset (using the red button within 5 seconds of powering it up). After 30 minutes, 1 hour and more I checked again but http-homeassistant-local-8123 still shows nothing:

This site can’t be reached

homeassistant.local’s DNS address could not be found. Diagnosing the problem.
DNS_PROBE_POSSIBLE

Trying with http://10.1.1.100:8123/ just hangs forever

The device still doesn’t seem to show up in the devices in the network.

What would you suggest for me to save it?

– EDIT AFTER WORKING AGAIN:

I didn’t suspect the network cable because I was using the same cable that I used before moving the HAY to another location in the home. So then I tried another cable cable anyway + connected the cable to different port in my Deco 6e router, it finally showed up. I also reset the HAY but now I suspect that was unnecessary.

I think the real problem is the port I was using in my Deco 6e router didn’t work for some reason. The port right next to it works. I don’t know why that would be the case.

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So was the cable working with something else before you put the HAY there? If not check your cable out, terminations (RJ-45 plugs) are usually the problem.

If it is on a flat network, the IP should not change for a given amount of time (24 hours). Unless your leaving out more info on the situation.

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Hi, this should be http://homeassistant.local:8123
If this is not working, look for the IP address that is assigned to the HAY in your router and try that with http:// preceding and port :8123

Also make sure that your browser is not defaulting to httpS

Have you seen this regarding the LEDs Home Assistant Yellow LEDs – Home Assistant Yellow

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Best practice would be to lock that device into an IP address, either in the router or some other way, so that when it shuts off the router doesn’t assign a diffrent ip address.
The way to do this is different in every router.

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You can also try using the serial console to diagnose your issue.

Using the serial console for debugging (Windows) – Home Assistant Yellow.

This will allow you to get the IP address and any other information via the command line interface (CLI) as documented here:

Common tasks - Operating System - Home Assistant.

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