Check your home owners insurance. Some pay if a power spike or a lightning strike occurred. Contact your power utility and check with them if they cover damaged equipment in case of a unannounced power outage. With that I assume it was no self inflicted outage…
Also a good idea, but a power outage was the issue last time, some months ago. This time it was the Nucleus which stopped working out of the blue.
It will likely be expensive, other posts in the forum show replacement boards from Roon themselves are outrageous prices.
I would look into getting another small board computer and run dietpi on it and probably save yourself a fortune.
This seems to be a refurbished unit in the UK, sold by a charity and postage to Germany is possible.
Hmmm, that‘s about 300€. That‘s really another number as the „original“ part. And it seems as the NUC7i7DNK (as well as the NUC7i7DNKE) would fit with their connectors (USB, HDMI, RJ45, etc.) into the rear of the Nucleus enclosure.
Could you say that such a NUC7i7DNK will be not slower than the original one, because I was not so satisfied wirh Nucleus answering times in the past?
No, I can’t say either way.
I saw the board model no mentioned above and searched eBay that’s all.
Personally, if the replacement from Roon is expensive and the performance is wanting anyway, I’d look to an alternative and run dietpi.
Ordered! 332GBP with import duty (thanks BREXIT 
)
Now I’m on that point I tried to avoid with buying a Nucleus: Having an DIY-music-server without any plug and play. 
Thanks all for your help so far …
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==> Nucleus+ is stone dead after power outage - #8 by Matthias_Goetze
… with new board (original from Roon Support), new m2.SSD (970 EVO Plus) and 16GB DDR4, I’m back again. BUT, it’s all like a Déjà-vu nightmare:
- with m2.SSD: “No signal”
- without m2.SSD: ROON screen, but “no boot device”
What can I do to bring my Nucleus back to life?
Kind regards
Matthias
I’ve merged this post into your original support request, and reopened that thread again. Let’s see what the support team can say…
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Hi @Matthias_Goetze,
Our diagnostic servers can now see your Nucleus but it’s showing up as a ROCK. Have you been able to use the Nucleus? If so what did you do to bring it back?
At the moment the system is up and running and waiting for the firmware change (typeform option D).
What I’ve done so far:
First of all I have to say I’m quite confused, because if I perform the same steps, I mostly get different effects.
- After changig the board I was not able to start the system for update, like I described yesterday.
- So I took the SSD, put it in an enclosure and plugged it on to my laptop, to delete all partitions.
- That and complete reset of the BIOS helped to go through the installation according to “ROCK Install Guide”.
- I also restored my latest backup of ROON DB, so nearly everything looked as before. ROON ARC isn’t running at the moment and some extensions have to get reinstalled.
- The main issue for the moment is, that my 4TB SSD (with all my FLAC files) is not usable. When I connect it, it has the same effect, like the m2.SSD yesterday: The nucleus does not come come up.
So I tryed it with an old (and tiny) SSD: No problem. System starts and “Internal Music Storage” is available.
What I believe is, that I destroyed the file system, some weeks before, as I tried to install roon falsely on the wrong disk. I now ordered an adapter to connect this SSD to my latop and reformat it, like I did with the m2.SSD. Hopefully this works and I do not need to rebuy this.
So as I said in the beginning. The system reacts different on the same actions, so I’m not very confident, that this will last for an acceptable time span. (Unfortunately this is now the 3rd board.)
Hi @Matthias_Goetze,
Thank you for the quick response. Since the Roon side of things seems have been resolved I’m going to mark this thread as solved. That will close the thread within two days. If I’ve misinterpreted your comment and there is still a problem with Roon you can uncheck the solution button and let us know.
Out of curiosity what are the different effects you get following those steps?
It’s strange. Once you power on, the systems starts, the next time it freezes. One time bios may be accessed with F2/F10, the next time it doesn’t. I really can’t tell, it’s hard to try to solve an issue if the system behaves different, repeating the same actions.
But at the moment it’s up and running, the SSD is restored and the database is on its last good state.
The last small (known) issue at the moment is, that the Nucleus does not start automaticaly after Power Off/Power On. I have to push the Power button.
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