Can't connect to OctoPrint

What is the problem?
I cannot reach the website for my octopi nor can I connect to it via ssh. It worked yesterday evening. I was working on connecting it to my Ender 3 V2, so I had to get a firmware update. Once I finished that I worked on getting my FujiFilm X-T10 synced up with it via Gphoto2. Gphoto said that i needed to run "sudo apt-get updates" and I did. It worked and it ended up syncing up with Octoprint. At that point it was 00:30 in the night so I powered off everything and went to bed. When I woke up this morning OctoPi wouldn't work.

What did you already try to solve it?
I have tried reflashing
Changing name of the raspberry pi
Connecting it to my secondary WiFi
Connecting to it via the IP adress
Rebooting both internet, computer and raspberry pi
Unplug and plug cable back in
Tried connecting to it via a monitor and keyboard, and then logging in manually

Additional information about your network (Hardware you are trying to connect to, hardware you are trying to connect from, router, access point, used operating systems, ...)

Ender 3 V2 (I haven't even connected this so this is not a factor)
Raspberry Pi 3B+
Using Windows for ssh and downloading. Using OctoPi version 0.17.0 and OctoPrint version 1.3.12 on my Pi


Hello @SylvesterZ!

So, what are the results of these attempts?

None of them did anything. :confused:

So you get no output on the monitor?

Then either the SD card is broken or the Pi...

I get a output on the monitor, but instead of it automaticly loggin on with the username and password and i have to login with it. Sorry I forgot to say that

But even when I log in it still won't showq OctoPi on my pc, even tho is says "Access octoprint from a webbrowser on your network bt naviagting to any of: http://octoprinter.local" (Because i changed the name)

The backend login is different from the GUI.
There username is pi
The passowrd is raspberry. When you type it in, there is no response on the screen.

Please distinguish between OctoPi and OctoPrint:

How did you manage that without network connection?

When you attached a monitor to the Pi, at the end of the startup sequence the Pi's IP address is shown.
If there is no address, it's not connected to your LAN.
Either connect an etherrnet cable from your router to the Pi or check the WiFi settings of the Pi.

My mistake. It won't show OctoPrint

"ssh onto the pi, using its IP address; and the default password - unless you've changed it WHICH OF COURSE YOU MUST.
then type sudo vi /etc/hostname, press the letter d, then the letter w;
that removes the name, then press i - for insert
type your new name
then press the ESC key and then colon w q"
Found it on another post with a simular problem.

From what I saw last time I booted up it wasn't there, but I'll boot up real quick and check if it pops up. If it doesn't i'll check my wifi settings, and if that does not work I'll try to connect a ethernet cable

SSH requires a network connection. That is what @Ewald_Ikemann (and myself) are confused here about. On the one hand you say you can't reach the Pi on the network, on the other hand you say you SSH'ed into it to change its hostname. That's contradictive, so something here is being miscommunicated.

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I did it with a keyboard. Sorry. English isn't my first language

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I got it working. It was my network not working. I have no idea why it works now, but not earlier.

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It bloody happened again. I got it working again yesterday printed a thing or two. Then when I booted off my Raspberry Pi, and went to bed. Next morning, didn't work... I checked the internet details, all matches up. At the end of the boot it does not show the IP address..

@SylvesterZ please don't PM me or anyone else to get your help on this. If anyone has an idea they will help you publicly so others with the same issue can learn from it as well.

If everyone using OctoPrint would send me PMs when they have some kind of problem, the forum would probably crash, my computer would start a fire and I would need to be committed.

Sorry. I didn't think it entirely through and wasn't thinking from your point of view.
I am just tired of it not working.

Totally understand that you're frustrated that you haven't gotten it working, you have to be patient though; someone will more than likely be able to help you, and as @foosel said, it is very likely that someone else may run into a similar problem, and would benefit from finding this post :slight_smile: Keep at it, and you'll get it, and if not, provide as much detail as possible to answer anyone's questions in the thread; the more we know, the more likely it is that the problem can be found

Yes. I am very sorry, and should've not only thought of myself, but also from someone else's point of view.

Here's the details that may be able to get someone to help:
The things I did before it "broke":
I installed gphoto2
I edited in visudo
I connected my 3d printer
I connected my camera

My hardware:
Raspberry Pi 3b+
Ender 3 V2
FujiFilm X-T10