Having trouble Miracasting from my s20 - Samsung Galaxy S20 / S20+ / S20 Ultra Questions &

Basically my Miracast is worked fine up until a couple days ago when all the sudden casting to the TV just puts a picture of my desktop background at a very low resolution with the three buttons that are on the bottom of my phone at the bottom of the picture on my TV. I'll try to post a picture when I get home. What I have tried already is using an HDMI from my usb-c connection which results in the same thing . Dex mode works fine no issues there just when I try to Miracast
I've tried also casting to my laptop which had the same problem hopefully there's nothing wrong with my phone I just got it.
https://ibb.co/rv8JXQ3
I can't get the picture to show but that's it

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[Q] FireTV - Boots, Black Screen, Not Supported Mode

My fireTV boots on quickly showing the Amazon Logo, then the screen goes blank and the message "not supported mode" comes on the TV.
I've swapped HDMI cables. Keeps doing the same thing.
What could be the issue? It was working fine before.
Thanks,
Dave
Try a different TV.. Your TV must not support 1080p, after you set it to 720p try that TV again and you'll be good
Try this:
http://www.aftvnews.com/how-to-access-hidden-resolution-options-on-the-fire-tv/
martian21 said:
Try this:
http://www.aftvnews.com/how-to-access-hidden-resolution-options-on-the-fire-tv/
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Thanks For the Solutions which i am looking for it . I have read elsewhere that people have left it plugged in, and overnight, after a few hours, they came back to it works normal is this myth true ?
Fire Stick Not working +1845'*,.470..0148
Fire Stick Not working +1845'*,.470..0148

AFTV has to be reset daily to output video

Has anyone seen this? It started a few weeks ago.
I use the AFTV at night.. I turn on the TV which is connected via HDMI. The TV will just be a blue screen. The power light on the AFTV will be off.. I can hit a button on the remote, and the power light will come on.. but still no video.. Nothing I can do will kick the AFTV to get it to show video until I unplug power and restart it.
From there, it will operate just fine.. until it sits idle for too long, the power management kicks in, and it wont wake up again.. back to the cycle..
I poked around the settings etc.. I didnt see anything related to sleep mode.. I have screensaver turned off.
Very strange..
Ideas anyone?
mscroggins said:
Has anyone seen this? It started a few weeks ago.
I use the AFTV at night.. I turn on the TV which is connected via HDMI. The TV will just be a blue screen. The power light on the AFTV will be off.. I can hit a button on the remote, and the power light will come on.. but still no video.. Nothing I can do will kick the AFTV to get it to show video until I unplug power and restart it.
From there, it will operate just fine.. until it sits idle for too long, the power management kicks in, and it wont wake up again.. back to the cycle..
I poked around the settings etc.. I didnt see anything related to sleep mode.. I have screensaver turned off.
Very strange..
Ideas anyone?
Click to expand...
Click to collapse
If possible hook it up to another TV. I think it might be an hdmi handshake issue. If it is you can try different hdmi cables and different ports. If you dont have another tv then turn off your tv with aftv working. Wait a short time and turn on the tv. See if the issue pops up again.
KLit75 said:
If possible hook it up to another TV. I think it might be an hdmi handshake issue. If it is you can try different hdmi cables and different ports. If you dont have another tv then turn off your tv with aftv working. Wait a short time and turn on the tv. See if the issue pops up again.
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I think you are on to it. I did some more testing.. Last night I got the blue screen on the TV.. Instead of powering down the AFTV, I unplugged and re-plugged the HDMI and video came in. Its strange this suddenly started happening.. I am not sure what I can do about it.
mscroggins said:
I think you are on to it. I did some more testing.. Last night I got the blue screen on Instead of powering down the AFTV, I unplugged and re-plugged the HDMI and video came in. Its strange this suddenly started happening.. I am not sure what I can do about it.
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Click to collapse
Unusual it just started happening...are you sure you didnt switch hdmi cables or the port? Could be the latest firmware update but its doubtful because others would probably be complaining about it, and I cant think of why any update at this stage would impact cec.
KLit75 said:
Unusual it just started happening...are you sure you didnt switch hdmi cables or the port? Could be the latest firmware update but its doubtful because others would probably be complaining about it, and I cant think of why any update at this stage would impact cec.
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Click to collapse
I agree that is very strange.. I didnt change cables or ports.. but now that I know its an HDMI issue, I will swap some cables or something and see if it makes a difference. There really isnt anything else I can do.. On the tv, switching to another hdmi and coming back doesnt help.. I have to physically unplug the hdmi and plug it back in..
This issue has to do with HDCP and started with the 51.1.6.1 software update. See here: http://www.aftvnews.com/recent-fire-tv-software-updates-causing-blank-screen-issues-related-to-hdcp/
HDCP issues may also increase when the HDMI connection is done in a chain for e.g. with an amplifier between box and TV. The cause is often here that the amp´s do not pass through the HDCP handshake to the TV.
Calibaan said:
HDCP issues may also increase when the HDMI connection is done in a chain for e.g. with an amplifier between box and TV. The cause is often here that the amp´s do not pass through the HDCP handshake to the TV.
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I just read the thread on aftvnews. It definitely seems to be my issue. I swapped to a different cable and it appears to have fixed it. The thread thought maybe the issue was fixed with 51.1.6_3_user_516012020 .. but that is the version I have and the date for the install is Aug 20..
Anyway its a tricky issue.. I guess if you get things working.. dont touch anything !..

480p support broken in 5.2.4.0?

I have a gen 2 FireTV hooked to a TV that can only do 1080i and 480i/p. The FireTV doesn't support 1080i, and the TV doesn't support 1080p, so the FireTV falls back to 480p, which is fine. This has always worked until this latest 5.2.4.0 update. After the update it will not boot while connected to this TV. It will boot when connected to a 1080p device, but the upgrade is in a half completed state and every time it is restarted the optimize storage screen appears. I spent about an hour with Amazon support and they finally confirmed 480p should still work so they sent me a new device. Everything was fine until a few days later when the new device has updated itself and failed in the same manner. I'm sure this is a bug, but there's nothing Amazon can really do for me. Has anyone else had the same issue? Is it possible to fix this myself? Should I order a usb A-A cable to try to debug it?
When I power the device while hooked to this TV, I get a signal for a second or two, basically when the device should be switching to 480p and then displaying the FireTV logo, but then the signal goes away and the white light just fades in and out on the device indefinitely.
UPDATE: I managed to capture the device crashing via the system log. I booted it without the hdmi cable connected, logged in via adb shell, ran logcat, then plugged in the cable. The device can be seen switching to 480p, then the display service crashes which then leads to a cascade of other services crashing and eventually the device shuts down. I sent the log to Amazon, hopefully they'll be able to confirm it's an actual bug and fix it.
I also have noticed 480p is broken. Can't get Amazon to decide if it is a bug or a feature deprecation yet. It looks like a bug, because 480p is still listed in the options when you resolution cycle, but the device stays in 1080p mode for me.

Please help

Hello I am looking for guidance to fix my firestick. I've exhausted all search options.
I lost my firestick remote some time ago and just got competed moving. I decided to re setup my firestick. However I am running into the following issue.
I now have a new router, so my firestick is still looking to connect to the old router settings. I downloaded the firetv app but i can't remember my old router net id and password settings to create a hotspot with my phone and update my network settings.
I purchased a new remote as I have read you can just pair it to your current firestick by holding the home button for 10 seconds. I've tried this several times. However my firestick seems to be stuck in sleep mode. I have tried to unplug the firestick to reboot it. However I cannot get past the black screen.
I have verified that I am on the correct hdmi screen and the unit is plugged in. I also tried two different hdmi ports on my tv and no luck.
Does anyone have a work around or am I stuck buying a new firestick?
Do you see anything as the FireTV boots? It's just black?
malacoid said:
Do you see anything as the FireTV boots? It's just black?
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I do not get to see it even boot. When I plug the unit into the hdmi port the screen stays black. I am on the correct hdmi setting on the tv. I have 6 hdmi ports and have no luck on any of them.
I've read that people say the USB cord can get burned out so the unit is not getting power. I will swap my iPhone cord to see if that is the issue.

HDMI problem??

I have been using the official Samsung HDMI>USB adaptor to play videos on the factory NAV screen in my 2014 Ford Escape. It has always worked perfectly until today. I haven't used it in a few months but today when I plugged it in it flashed a Samsung DEX screen detected momentarily but it kept flashing HDMI connected & HDMI disconnected every second or so & never connected to the NAV screen. The screen kept saying video source connected (or something like that) but it was also saying no data received (or something to that effect).
Does this sound like a problem with my phone ??
~John

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