Yes, I switched cables, to no effect.
I dont know what a link light is, but the LAN port is flashing green, so yes, it does appear to be properly connected.
Thanks for the suggestions!
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Hey @Chris_Gibson,
Ben with the support team here, thanks for providing all the information above, and I’m sorry to hear you’ve hit more issues with your Nucleus. We definitely suggest grabbing a UPS unit to avoid any future issues.
For a next step, can you please try to connect using a USB to Ethernet adapter on your Nucleus? Let me know if you’re able to make any progress this way 
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I would try a different port on the switch as the next step.
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@benjamin - thanks for your reply. I don’t have an adapter like that, but I can probably get one. Are you suggesting that I connect an ethernet cable from my router to a USB adapter, and then plug the USB into the Nucleus+?
@Rugby - I am connected directly into the router at this point, but thank you for the suggestion.
My FIOS router has switch ports in the back (4 of them in yellow). If yours does at well, I am suggesting using a different port as ports can also “go bad”
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USB ethenet adaptors are as cheap as chips from JeffWeb, it just plugs into the USB port on the Nuc, using one of these will let you know if the Onboard Ethernet Adaptor is frazzled or if you have a Static IP set on the Nuc.
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@benjamin - I secured an adapter, and no, the Nucleus+ would not connect via USB.
@David_Brown - thank you for the photograph and explanation. Much appreciated.
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Hey @Chris_Gibson,
Thanks for giving that a go! The good news here is that your Nucleus is still booting. I suspect that something has gone wrong with your Nucleus operating system. Let’s try this - can you please flash ROCK onto a USB drive and install ROCK on top of the Nucleus OS? E.g. everything from step #3 onward from this guide (no need to flash BIOS):
Then once ROCK is successfully running on the Nucleus, we can remotely flash it back to Nucleus OS.
Let me know if you have any questions at all
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@benjamin - thanks. I am unable to complete these steps, as the Nucleus+ is now refusing to output anything to a monitor via HDMI.
I believe it is time for an RMA and a thorough diagnostic review of this machine. Something is wrong here. Please advise. Thanks.
Won’t doing Reinstall from the Web UI accomplished the same thing? I am following this thread because a friend who has a Nucleus Plus also has similar problems lately and I have been trying to figure out if it is a hardware issue, a software issue or a network related issue.
He told me that this first happened right after he unplugged the power cord from this Nucleus Plus while it was still on to do a Power Cords comparison. So I suspected some kind of software corruption. So I did a Reinstall from the Web UI and it kind of worked for a while but then he reported to me that it does it again. I want to flash ROCK to his Nucleus Plus but am afraid that his Nucleus Plus will always be a ROCK and not Nucleus Plus anymore.
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No, once the Nucleus is running under ROCK, support can update it to the proper Nucleus software.
I guess I’m glad I’m not the only one, although I’m sorry to hear that your friend has been having similar issues. It’s been incredibly frustrating, especially since I bought the Nucleus+ in order to avoid having to tinker with it. None of my other computers have any issues after the power outage - 2 PCs, a NAS, and a laptop, all running whilst the power went out. Only the Nucleus was affected, and this is the third time.
Is the change from ROCK to Nucleus be done automatically once the unit is back online or would I have to raise a support request to have it done?
No need to raise a new Support Request. Once you’ve installed ROCK on your Nucleus, send a Private Message to @benjamin referencing this Support thread, and he’ll take it from there.
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Great. Thank you.
Hey @Chris_Gibson,
Thanks for letting me know, I will follow up with next steps for the RMA via private message
Update: since I know others are following this thread, I thought I’d post an update.
I received an RMA to return my Nucleus+ for service. The Roon techs received and serviced my Nucleus on the same day, and shipped it back to me the next day! I also received an email detailing the work that was done:
- We did all hardware testing to confirm that the unit performs as expected
- We installed the latest Bios
- We took the latest RoonOs update
- We replaced the parts listed below:
Motherboard
Symptom - Not booting
I also purchased an uninterruptable power supply (this one, if you’re interested: https://www.eaton.com/us/en-us/skuPage.5SC1500.html) and now everything is up and running again.
Thanks to @benjamin for helping to troubleshoot my issue, and to the Roon techs for the speedy work. While I am none too pleased that the motherboard went bad, I am very glad for the 2 year warranty, which covered all labor and parts, including the shipping.
Cheers!
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