Chromecast Devices Missing after Nucleus OS Reinstallation (ref#67BONF)

What’s happening?

· Other

How can we help?

· None of the above

Other options

· Other

Describe the issue

Hello,

After reinstalling the Roon OS on my Nucleus, Chromecast has completely disappeared from Roon.
Before the reinstall, I was able to see my TV as a Chromecast device and use screen casting / display sharing directly from Roon without any issues.
Now, Chromecast devices no longer appear anywhere in Roon, so I cannot cast the display, lyrics, or any information to my TV.
Important note:
AirPlay is visible and working normally.
The issue is only with Chromecast.
I have checked the following:
TV and Nucleus are on the same network
Multicast, UPnP, and IGMP settings are enabled on the router
Chromecast works normally from other apps (YouTube, Google Photos, etc.)
Roon Remote and ARC have full network access
Despite this, Roon still does not detect any Chromecast devices.
Could you please assist me in restoring Chromecast visibility and functionality in Roon?
Thank you in advance for your help.
Best regards,
Burak

Describe your network setup

My home network setup is as follows:

Modem/Router: Türk Telekom router (standard ISP-provided modem/router)

Switch: Netgear GS105v5 (gigabit unmanaged switch)

Server: Roon Nucleus+ connected via Ethernet to the Netgear switch

Streamer: Chord 2go/2yu connected over Wi-Fi

TV: LG Smart TV connected via Wi-Fi (Chromecast built-in)

Other devices: Android phone and notebook connected via Wi-Fi

The entire network is on a single subnet, with no VLANs or range extenders.

UPnP, IGMP, and multicast settings are enabled on the router.


AirPlay devices appear normally in Roon, but Chromecast devices are not detected since the Roon OS reinstall.

Hello @Burak_Sinandurc,

Thank you for reaching out to Roon Support.

It looks like ROCK was installed on your Nucleus, and to restore the correct Nucleus OS, our RMA team will need to reinstall it remotely. This process will return the device to its intended factory software environment.

Please submit a request using the link below, and follow the guidelines shown in the screenshots attached:

:link: Technical Support Request

Once the Nucleus OS has been reinstalled, feel free to update this thread if you still encounter any issues — we’ll be happy to continue the investigation.

Hi Vadim,

Thank you for your support and detailed guidance.

I wanted to let you know that I have completed and submitted the requested support form as instructed. I will be waiting for the next steps regarding the remote reinstall of the correct Nucleus operating system.

Please let me know if you need any additional information from my side.

Thank you again for your assistance.

Best regards,

Burak Sinandurç

Hello @Burak_Sinandurc,

Thank you for the update.

I can confirm that your ticket is currently in the RMA queue. As soon as the team has capacity to re-flash your device, they will contact you directly via email.

Once that’s completed, please let us know here whether your Chromecast devices appear again.

Hi Vadim,

I hope you are doing well.

I wanted to follow up regarding my RMA request for the remote switch back to the official Nucleus RoonOS. I replied to the RMA team with the full explanation about the original SSD replacement and also sent a follow-up email, but I haven’t received any response yet.

At the moment, my Nucleus+ is still running on ROCK and fully accessible, and I’m ready whenever the RMA team is available to proceed with the re-flash.

Could you please kindly check the status of my ticket and advise on the next steps?

Thank you very much for your continued support.

Best regards,

Burak Sinandurç