Unable to mirror screen to my smart tv anymore - Android Q&A, Help & Troubleshooting

Hi guys, I'm having issues trying to mirror my android to my new smart tv. I own a Moto X 2013 with Android 5.1 stock on, while my tv is a Samsung Smart Tv. Basically what happened is that few days ago I got myself this new Smart Tv and, while I was trying all the features of the tv, I also tried to mirror my phone to it with success, I was able to see my screen of the phone on the tv and even watching some stream flawlessly.
Now, after some days I tried again to mirror, but now, for some reason, when I select the TV from the drop down list, it attempts to connect and mirror, but then an error appears on the smartphone (stating that there was a problem mirroring the screen) and it crashes and I don't know why! Nothing has been done since the first time I tried the feature and I can still cast successifully to the tv (for example youtube). But everytime I try to mirror, I got the error and the crash, with restart sometimes.
Can you help me please?
EDIT: no one can help?

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Can No Longer Cast Screen On My 2015 Chromecast

I apologize if this has been covered elsewhere but I recently upgraded my my Chromecast generation 1 to Generation 2 and my ability to cast my cell phone screen to my chromecast from my galaxy s6 has stopped.. it just says connecting and times out.. All apps with native chromecast support work as they should.. Only when I use the cast screen feature from within the chromecast app does this problem occur... Does anyone possibly have any idea on what could be causing this to happen?
Thank you in advance!
I'll have to test this for myself but casting the screen to my Chromecast 2 from my N7 2013 just stopped working all of a sudden the other day. It'll connect and then freeze up within a couple of seconds.
Will try to cast a specific program like YouTube tomorrow and see what it behaves like.
Same problem for me, in the beginning it worked fine, but after the automatic update it started to do problems with the mirror cast and the Google photos.
In the others app it is working good
I so that this is a common problem with the chromecast 2, in alot of phone models
KingKash420 said:
I apologize if this has been covered elsewhere but I recently upgraded my my Chromecast generation 1 to Generation 2 and my ability to cast my cell phone screen to my chromecast from my galaxy s6 has stopped.. it just says connecting and times out.. All apps with native chromecast support work as they should.. Only when I use the cast screen feature from within the chromecast app does this problem occur... Does anyone possibly have any idea on what could be causing this to happen?
Thank you in advance!
Click to expand...
Click to collapse
I have almost the same problem, just purchased my chromecast. Everything works except the ability to cast my screen from withing Tablet using CyanogenMod using the Cast Screen option.
When I try it it goes through the process show the device found shows connected then instantly show disconnected. Works on my One Plus One running CM based ROM just fine. So it could be ROM version....
Since its a tablet have to use android Chrome so can't use extensions on it because the extension for Chrome Cast work on my laptop to do a cast screen.
Same problem here using slimkat rom
Updated the tablet to CM12.1 not same ROM but same version as my phone ROM made no difference. Also tried 2.4 and 5 GHz still no go from tablet. Interestingly annoying....
silvagroup said:
Updated the tablet to CM12.1 not same ROM but same version as my phone ROM made no difference. Also tried 2.4 and 5 GHz still no go from tablet. Interestingly annoying....
Click to expand...
Click to collapse
i haves same problem in a lg g stylo i update android 6.0 now wrok fine
Just happened on an HTC M8 too. Everything was OK until now. I have it from December and was working on Android 5 and even on Android 6 until yesterday. Tried to reset it hard from button and soft, reconfigure it and happens the same issue: phone find it and when try to connect screen goes black on TV like trying to receive an image, then disconnects back to backdrop. On the phone sometimes the wifi disconnects from the router and reconnects back when Chromecast is trying to transmit the image on TV. I checked the compatibility phones on page and indeed M8 is not there, but it worked, so is not that.
There is any possibility to take an log on the Chromecast to see what is happening?
Sent from my HTC One_M8
Edit: Seems that the issue was the installation of the Viper4Android flashable zip. After replacing system image from twrp backup, everything is back to normal. It connects in no time.
What version of android do your phone use?
I use Galaxy Note 3 android 5.0 with Chromecast app to cast screen to TV attached with Chromecast 2015 device.
There is no default option for casting screen on android 5.0.
So I use Chromecast app to cast screen.
Everything is normal. I can cast phone screen to TV while I'm playing Asphalt 8.
I have switched phones to the Nexus 6P and for the first few months I was able to cast to screen again but now I lost that ability after experimenting with different roms.. yet I can still go to my friends house and cast my screen without any issues on his 1st gen chromecast.. what a strange issue
I switched back to the 1st chromecast, the new one would start overheating lol

Ascend Mate 2 - Andriod 5.1 - can't stream/mirror to television

Hey everyone...so I have a very difficult question and was hoping that someone here can help. I tried another forum but - not a peep.....and I am hoping since you guys here are developers you might be able to put on your propeller hat and figure this out!!!
I have the Ascend Mate 2 (which I really enjoy ) and decided to upgrade from I think it was 4.3 to Andriod 5.1 via the Huawei website. All went perfectly normal, and still is normal - except for one thing.
It won't stream or mirror to my television.
So here is a little background. It is the unlocked Ascend Mate 2, Andriod 5.1 EMUI 3.1, build MT2-L03c00B322. 2.0 GB RAM.
When it was 4.3, I streamed perfectly to the television using RK Anycast, ROKU and FireStick TV. Just set it up like normal, clicked on the display, it connected to the device I wanted to use and - off into movie-land I went (I have unlimited streaming data).
So I wanted to upgrade my phone so I could use various other apps that needed a higher version.
Did the normal upgrade via Huawei website and took just a couple minutes, no issues and all loaded all running like usual. So now here it is a few days later, and I am finally nearly done installing all my normal apps and backed-up/restored texts and calls etc. So I thought, let me stream a movie (I use the term streaming and mirroring to mean the same thing) from my phone to my TV so I can relax.
I do the normal, pull down from the top, and bring up the "multi-screen" option. And I see the RK Anycast device listed, I hit connect, it does connect, I see my cellphone mirrored on the TV like normal, I go to any app - Netflix, YouTube, Prime etc., that loads like normal....but when I hit play....it plays for about three seconds, then just totally hangs. Stops playing, the picture just stays on the TV screen without moving at all. So i have to close the program.
So I test this out with my Firestick and my Roku, does the same exact thing for them. Looks normal, connects like normal, I go to hit play it runs for about two seconds then just totally stalls and hangs.
I have no idea what the problem is...but seems almost like....maybe there is a certain setting for Andriod 5.1 that needs to be changed that I am not aware of?
Like I said I am just puzzled since I know it worked perfectly when I had Andriod 4.3 on it.
And get this - a saved video I physically on my cellphone - well that streams to the TV without hanging or lagging, it runs like normal.
Thanks for any ideas and hints....!!!

Help, Please: LG G5 7.0 Screen Mirroring Problem

Hi, I have an LG G5 Android version 7.0. I just recently purchased a Roku Express +. I had one of the very first generation Roku's but I haven't used it for 3 or 4 years so I got it all set up and was excited about the option to screen mirror my phone to watch content that I can't cast.
Everywhere I look shows me the exact same information, which is basically to go to my settings in my LG G5, share and connect, select the device, and then, supposedly, Voila! Except there is no Voila!
What ends up happening is that my phone sees the Roku unit and after it finishes searching it shows it's connecting. I've already been into my Roku settings and it sees the LG G5 and also has an abled no prompts necessary for connection. But within a couple of seconds of connecting to the Roku, and the Roku puts up a little purple screen that shows a small device and a large TV screen so it looks like something's going to happen, then the connection drops, Roku goes back to its home screen, and my phone shows no devices are available for connection.
I have tried to Google myself silly figuring out what might be going on. I can't screen mirror remotely from my phone to my TV, which is early generation flat screen and not a smart TV, but with an HDMI cord and a dongle I bought that allows it to work that way. But, of course, when I do that I'm limited to screen mirroring only as long as my battery is running because the dongle goes into my charging port on my phone.
Maybe I am misunderstanding things, but from everything I can see, it appears that my Roku model I have, which is a 3900 series, should work as the Miracast Dongle so that my LG G5 can screen mirror to my unsmart TV.
I have PlayStored myself to death and because Developers interchange the words "cast" and "mirror" it's been install, uninstall, install, uninstall Ad nauseam. For all of the apps that end up just basically being "assistants" and taking me to my share and connect page they are no help at all because even though I go through the process the same problem happens.
I did download one app, which works but is working so horribly because of the app itself that it's useless. So I do know that my phone can mirror through the Roku somehow but it is basically circumventing having to go through the Share & Connect somehow. That app was called Screen Stream Mirroring, and I was trying the free version because I did not want to spend $5 if it wasn't going to work at all. Aside from the annoying ads and limited time, it did a lot of "loading. . .", and had a significant delay. I don't mind the delay, but today it was working worse than it did last night when I first tried it. I'm not sure how it connects, but there was a little tab on the side that said to connect to Chromecast, DLNA, or other stuff, and when I clicked on that Roku popped up as an option because the app saw my Roku so I connected that way. Or any way connected crappily.
I know that's a lot of information, but I wanted to give you everything that I've tried so far. I've also cleared my caches, uninstalled the third party mirroring and casting apps, made sure there were no available updates for my LG G5 or Roku, rebooted my phone, unplug and rebooted the Roku, and I'm not sure if there is a great app I can download? I don't mind a third party app but I can't find one that will work for me right now. So if anybody has ideas on that. Again, I need something that will mirror and not just passed because I would like to view my DishAnywhere or other things on the TV that I can't see through my Roku.
Or, ideally, it would be great to have my phone mirror directly to the Roku without that connection dropping and not seeing the device for some reason. There is no Direct Customer Support with Roku or my model Roku even though I just bought it new. My only options are help center cookie cutter choices you have to select from a drop-down menu, none of which have anything to do with screen mirroring.
Thank you in advance for any experience and or suggestions and ideas to troubleshoot this.,
Kristie
Okay, how about a good Screen Mirroring App, not Casting, to mirror my LG G5 through my Roku? But it needs to bypass the Screen Mirroring button on my Share & Connect in Settings since that process keeps recognizing, trying to connect, and then dropping the Roku.
I did find one app that used a tab to connect directly to DNLA, Chromecast, etc. that recognized Roku and connected it, but the buffering/loading was horrible, the resolution wasn't great, and the second time I tried to use it the audio was not working. It was called Screen Stream Mirroring by MOBZAPP. Others I tried simply took me back to toggling on my Screen Mirroring button, and that is not working. Bypassing it did work, although the app wasn't great. I am hoping there is another, but I have not had luck since some developers say "mirror" but mean casting.
Thank you in advance for your time and and ideas,
Kristie

Help, Please: LG G5 7.0 Screen Mirroring Problem

Hi, I just recently purchased a Roku Express Plus. I had one of the very first generation Rokus but I haven't used it for 3 or 4 years so I got it all set up and was excited about the option to screen mirror my phone to watch content that I can't cast.
Everywhere I look shows me the exact same information, which is basically to go to my settings in my LG G5, share and connect, select the device, and then, supposedly, Voila! Except there is no Voila!
What ends up happening is that my phone sees the Roku unit and after it finishes searching it shows it's connecting. I've already been into my Roku settings and it sees the LG G5 and also has an abled no prompts necessary for connection. But within a couple of seconds of connecting to the Roku, and the Roku puts up a little purple screen that shows a small device and a large TV screen so it looks like something's going to happen, then the connection drops, Roku goes back to its home screen, and my phone shows no devices are available for connection.
I have tried to Google myself silly figuring out what might be going on. I can't screen mirror remotely from my phone to my TV, which is early generation flat screen and not a smart TV, but with an HDMI cord and a dongle I bought that allows it to work that way. But, of course, when I do that I'm limited to screen mirroring only as long as my battery is running because the dongle goes into my charging port on my phone.
Maybe I am misunderstanding things, but from everything I can see, it appears that my Roku model I have, which is a 3900 series, should work as the Miracast Dongle so that my LG G5 can screen mirror to my unsmart TV.
I have PlayStored myself to death and because Developers interchange the words "cast" and "mirror" it's been install, uninstall, install, uninstall Ad nauseam. For all of the apps that end up just basically being "assistants" and taking me to my share and connect page they are no help at all because even though I go through the process the same problem happens.
I did download one app, which works but is working so horribly because of the app itself that it's useless. So I do know that my phone can mirror through the Roku somehow but it is basically circumventing having to go through the Share & Connect somehow. That app was called Screen Stream Mirroring, and I was trying the free version because I did not want to spend $5 if it wasn't going to work at all. Aside from the annoying ads and limited time, it did a lot of "loading. . .", and had a significant delay. I don't mind the delay, but today it was working worse than it did last night when I first tried it. I'm not sure how it connects, but there was a little tab on the side that said to connect to Chromecast, DLNA, or other stuff, and when I clicked on that Roku popped up as an option because the app saw my Roku so I connected that way. Or any way connected crappily.
I know that's a lot of information, but I wanted to give you everything that I've tried so far. I've also cleared my caches, uninstalled the third party mirroring and casting apps, rebooted my phone, unplug and rebooted the Roku, and I'm not sure if there is a great app I can download? I don't mind a third party app but I can't find one that will work for me right now. So if anybody has ideas on that. Again, I need something that will mirror and not just passed because I would like to view my DishAnywhere or other things on the TV that I can't see through my Roku.
Or, ideally, it would be great to have my phone mirror directly to the Roku without that connection dropping and not seeing the device for some reason. There is no Direct Customer Support with Roku or my model Roku even though I just bought it new. My only options are help center cookie cutter choices you have to select from a drop-down menu, none of which have anything to do with screen mirroring.
Thank you in advance for any experience and or suggestions and ideas to troubleshoot this.,
Kristie
And if no one has any thoughts about how to solve the mirror dropping, how about a good Screen Mirroring App, not Casting, to mirror my LG G5 through my Roku? But it needs to bypass the Screen Mirroring button on my Share & Connect in Settings since that process keeps recognizing, trying to connect, and then dropping the Roku.
I did find one app that used a tab to connect directly to DNLA, Chromecast, etc. that recognized Roku and connected it, but the buffering/loading was horrible, the resolution wasn't great, and the second time I tried to use it the audio was not working. It was called Screen Stream Mirroring by MOBZAPP. Others I tried simply took me back to toggling on my Screen Mirroring button, and that is not working. Bypassing it did work, although the app wasn't great. I am hoping there is another, but I have not had luck since some developers say "mirror" but mean casting.
Thank you in again for your time and and ideas,
Kristie

Can't cast to Nvidia Shield TV

I've tried both smart view (which I believe is only for Samsung smart TVs) and Google home app. I'm trying to cast to my Nvidia shield through the Google home app on the tablet. All I get is a blank screen on the tv. Seems like everything is connected. Home app sees the tv and I hit cast to it and the tablet shows that its casting but all I get on the tv is a blank screen. Anyone else having this issue??
codygs83 said:
I've tried both smart view (which I believe is only for Samsung smart TVs) and Google home app. I'm trying to cast to my Nvidia shield through the Google home app on the tablet. All I get is a blank screen on the tv. Seems like everything is connected. Home app sees the tv and I hit cast to it and the tablet shows that its casting but all I get on the tv is a blank screen. Anyone else having this issue??
Click to expand...
Click to collapse
I am able to cast via Smartview to my Sony smart TV, Chromecast and Microsoft wireless display adapter on my desktop Monitors. The casting is a little finnicky when my Smart TV is running an app, e.g. YouTube video, otherwise it works fine for me.
Have no luck to do the reverse casting to the tablet via Smartview though.
I'm having issues as well.
Can't cast from my Tab S6 to the Shield.
The screen goes black but nothing happens.
After a while "screen casting has ended" is shown on the tablet.
Casting from my S10 works just fine though.
No idea what's going on.
I am also unable to cast via the google Home app, just black screen then a message saying casting has stopped of something. I can still cast content from the tablet to the Shield such as video from a streaming app,
Connected
I too was having the same exact issue. All was working fine until recently. What I did was used my phone to connect to Shield via smartview. Once connected I opened smartview on the tablet and was able to connect. I only tried once, however I searched rebooted, etc... Still couldn't find a way until today. Good luck I see it's been awhile since last post.
Yep. Also cannot cast screen to my Sony TV - Neither with Smart View nor Google Home. This is either a problem exclusive to the Tablet, Android 9 or root.
My Galaxy S10 can cast to my TV without any issue, running Android 10 and NOT rooted.
What firmware ect is everyone running? I'm on Pie, SK1 and rooted.
Are you guys using a VPN? If so, try disabling it and try again.

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