Roku Device Features, Settings & Updates

Help configuring Roku device settings, using Roku OS features such as screen mirroring, adjusting display type and audio settings, using Guest Mode, and assistance with software updates.
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Level 7

Screen Mirroring

I have an issue with screen mirroring. I two devices that I have tried to mirror with the same results.

  1. Samsung Galaxy S10+
  2. HP Windows 10 laptop.

I have two Roku TV's that I got for Christmas.  Did have 2 Roku 3's and was able to mirror both of the above devices.

  1. 43" TCL 4K UHD Roku TV
  2. 50" TCL 4K UHD Roku TV

Steps to recreate:

  1. Roku Mirroring options:  Device Connect Enabled, Screen mirroring mode is Prompt,  Allowed devices are [Phone] Galaxy S10+ and George Worley (My HP Laptop)
  2. I start the connection process from either device. Both the phone and the laptop see both TVs and I am able to start the connection,
  3. The Roku TV launch an app called RokuCast (name on the icon however from the Home page if I use the * button while I am on the Roku app the full name is RokuCastr version Build 0. If I remove the channel and try to mirror again the Roku TV acts like it is a private channel and doesn't list Roku is the developer (Jpad) with a version of 1.2 with Dec 28, 2015 as the release date and only list the name is RokuCast.  If I add the channel back it is a private channel.  Not sure how this has happened. I delete it and it keeps coming back.)

Is there some setting that I am not seeing that causes a default app to launch when one tries to mirror their device.

Thank you in Advance,


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Level 7

Re: Screen Mirroring

Hello have similar issue, with a Dell Inpiron. the laptop find the TV  a 55S421,  roku TV C109X,

software version of TV 9.2.0 build 4502-93.

no problem casting from any android I have. Only when trying the laptop.

have tried reseting the network

I have settingas Enable for Device connect and always allow for mirroring mode.

firts I could not get any reaction form TV. then after reseting the network, I was able to get to the STARTING VIDEO FROM... screen but never got past that. 

thank you.

Need this for  home Schooling 


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