Settings greyed out in Dex - Samsung Galaxy S20 / S20+ / S20 Ultra Questions &

All of my settings are greyed out in Dex when wirelessly mirroring to my LG TV. I can see dex on my tv, it looks perfect but I can't change anything or enable the touchpad. It said there would be an icon on my navigation bar and it's not there nor is the notification to enable it. Kinda stumped.

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HDMI adaptor resolution

So when I connect my SIII trough HDMI to either of my Sony HD TV´s (200hz) the screen is stretched in a way that parts of the corners will not show. When I connected it to my Philips HD Tv (100hz) there was an option to turn stretching off which made it show the whole screen, but on that TV the screen on the tv laggs like hell.
Any insight on how to fix either of these issues?
fenjen said:
So when I connect my SIII trough HDMI to either of my Sony HD TV´s (200hz) the screen is stretched in a way that parts of the corners will not show. When I connected it to my Philips HD Tv (100hz) there was an option to turn stretching off which made it show the whole screen, but on that TV the screen on the tv laggs like hell.
Any insight on how to fix either of these issues?
Click to expand...
Click to collapse
Go to your tv menu and there should be a sub menu for HDMI in your video settings. Try out the different settings until it fits perfectly. Had to use "Video Setting 3" on my panasonic.

Sound turns off when tv is turned off

Hello all,
I have the FTV box going directly to my TV via the HDMI cable. I also have the FTV box going to my receiver via optical cable for audio.
I have the same setup for my cable box. There is no connection from TV to receiver.
In the past, with other devices (Roku, WDTV) I would play some content from Netflix or Amazon prime, but would then turn my TV off - leaving me with just audio. I do this at night because I like to listen to something as I go to sleep.
With the FTV, I have noticed as soon as I change to a different content source on my TV, or if I turn off my TV, the audio from the FTV stops. Does anyone know if there is a way to get around this?
Sounds like CEC HDMI communication between the FTV and your TV. When you turn one device off, the device that receives the signal to turn off tells the other device to turn off or go into standby. Maybe there's a setting in the FTV to turn that feature off? Or, you could probably disable it at the TV. Samsung has a different name for it (AnyNet or some such).
jpage101 said:
Hello all,
I have the FTV box going directly to my TV via the HDMI cable. I also have the FTV box going to my receiver via optical cable for audio.
I have the same setup for my cable box. There is no connection from TV to receiver.
In the past, with other devices (Roku, WDTV) I would play some content from Netflix or Amazon prime, but would then turn my TV off - leaving me with just audio. I do this at night because I like to listen to something as I go to sleep.
With the FTV, I have noticed as soon as I change to a different content source on my TV, or if I turn off my TV, the audio from the FTV stops. Does anyone know if there is a way to get around this?
Click to expand...
Click to collapse
Connect the fire TV via optical out....this will continue to play the audio when you turn the TV off. Have not tried this with ftv but I have a similar situation with my windowshtpc.
Sent from my Nexus 10 using XDA Premium 4 mobile app
floepie said:
Sounds like CEC HDMI communication between the FTV and your TV. When you turn one device off, the device that receives the signal to turn off tells the other device to turn off or go into standby. Maybe there's a setting in the FTV to turn that feature off? Or, you could probably disable it at the TV. Samsung has a different name for it (AnyNet or some such).
Click to expand...
Click to collapse
Thank you very much. That was it. I disabled it at the TV level. It's called "Power Link" on Panasonic TV's.
It appears I also am having this problem, but my TV does not have an option to turn off the power feature. I remember awhile back someone somewhere saying there was an adapter for the hdmi that helped with this. Anyone have an idea of what it was? Would love to listen to music on this thing and not return it and go back to my old Roku
Sorry - Bit of Necro Posting! Seemed better than starting a new one.
I have pretty much the same issue - have no option on my Samsung TV to disable CEC as it does not support it (confirmed with Samsung).
If it turn off the TV it stops the audio and the youtube app will "crash". i put that in inverted commas as it is a strange sort of crash. the app still functions and will browse the subscriptions/channels ect but will not load the video - i just get the spinning dots. Only a full restart of the device fixes it
Have reset to factory defaults and deleted the apps.
Thinking it is connected to the TV in some way as if i put a HDMI switcher in between, it doesnt happen.
Gen 1 AFTV - latest OS
Sound - Optical out to Samsung Soundbar
Video - HDMI to Samsung LT31D
If anyone has any ideas, i'd be grateful. Happy to supply any info that may be usefull.
Cheers
Rob
Robmason1982 said:
Sorry - Bit of Necro Posting! Seemed better than starting a new one.
I have pretty much the same issue - have no option on my Samsung TV to disable CEC as it does not support it (confirmed with Samsung).
If it turn off the TV it stops the audio and the youtube app will "crash". i put that in inverted commas as it is a strange sort of crash. the app still functions and will browse the subscriptions/channels ect but will not load the video - i just get the spinning dots. Only a full restart of the device fixes it
Have reset to factory defaults and deleted the apps.
Thinking it is connected to the TV in some way as if i put a HDMI switcher in between, it doesnt happen.
Gen 1 AFTV - latest OS
Sound - Optical out to Samsung Soundbar
Video - HDMI to Samsung LT31D
If anyone has any ideas, i'd be grateful. Happy to supply any info that may be usefull.
Cheers
Rob
Click to expand...
Click to collapse
if you have root on firetv just remove CEC support from the FTV
Ludacrisvp said:
if you have root on firetv just remove CEC support from the FTV
Click to expand...
Click to collapse
Can you advise how i would do that - cant see it in settings? I have rooted.
Many thanks
Removal of the CEC daemon process is likely all you need to do.
Mount system partition as read write then remove:
/system/bin/cecdaemon
Then reboot.
http://forum.xda-developers.com/fire-tv/help/solved-hdmi-cec-firetv-4k-fireos-5-0-5-t3328985

[Q] K400r trackpad as bluetooth mouse?

How can I make the trackpad on my Logitech K400r USB keyboard/trackpad act like a bluetooth mouse for using a traditional mouse cursor?
I hate the stupid issue of how I can't get real-time "mouse" position because of the orange circle not writing its current location to the internal pointer position.
The most frustrating issues is that flash games receive the click input twice and can't read the floating circle because the internal pointer's position is not getting updated until holding the 2nd tap on a double tap which may also unintentionally force a drag function or shortly stop working if you switch fingers.
Here is a random YT video of an actual bluetooth mouse on another Android device (if I am not mistaken).
https://www.youtube.com/watch?v=j9RkGXVXnW4
Is there an app or root function that can make my K400r's trackpad act like a bluetooth mouse?
Edit:I found the directory for mouse pointer type,but I don't know what to do from there.
/system/usr/idc/"input device config" files
file extension:.idc
Can someone knowledgable of this please elaborate on how to replace the circle with a constant mouse pointer on Fire TV?

[Q] Wired USB Mouse / Cursor

Hi,
I tried plugging in a wired, USB mouse in the back of my Fire TV Box... I get nothing on screen. I tried a second mouse.. same result. Does the Fire Tv NOT support a mouse? I searched around online and found conflicting info. The only reason I wanted to use the mouse is to click the big "Start Test" button at the center of the screen in the Speedtest.net app I sideloaded... It can't be reached via the remote.
Thanks!
.
Well u can look for aft general tread download download an apk call wukong remote launch the app, it will search for aft in address that's what working for me
My firetv recognized my mouse with no special settings. I just plugged the mouse directly into the USB slot... same for a USB keyboard.
Mouse = old Gateway mouse
Keyboard = cheap Dynex
Did you happen to be on the default launcher when you tried? Since the last three updates the mouse cursor is invisible on the Fire TV launcher, when system menus are on the screen and inside some native Fire TV apps. I don't think the cursor being invisible effects everyone, cause only a few people said they experience the problem when I made a thread about it.It only happens if I use a USB or Bluetooth mouse, but if I use a remote mouse app like Wukong the cursor is visible on the whole system. Try opening an app that was not made for the Fire TV, like Kodi and see if it works, cause my cursor is visible inside all my apps, but if I go to the Fire Launcher it becomes invisible. Its kind of annoying not being able to see the cursor on Fire TV apps, but I have gotten used to it.
To be clear, the mouse still works its just invisible, so its kinda useless because you can't click on system menus, cause you cannot see where the cursor is. As soon as you open an app like Kodi the cursor will reappear.
Thnks everyone for the replies. I had USB debugging turned on in the developer options which knocked out my mouse. Everything is working now.

Display mirroring issue, fire tv stick

Hi there, I have a problem with this fire tv stick, when I do display mirroring from my android smartphone (sony xperia), the screen works well but no sound at all, not a single sound from that. I tried changing the audio setting (dolby on, off, dolby plus and that thing) with no solution and the correct wifi configuration too. Maybe the the insufficient power source? (well, the stick didn't show any power dialog on my tv) or the latest firmware installed? or the blocked ota update on router? or internet speed?
I don't know what to try next, I tested on two devices with the same result and pc can't recognize this tv stick.
Any idea what to do?
Or another way to cast screen mirroring or chromecast receiver app? (I tried youmap but it doesn't work).

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