Flicker / Loss of Signal / Handshake issue? - Shield Android TV Q&A, Help & Troubleshooting

Hi all,
after searching for weeks after getting my Shield TV I have been trying to figure out a problem that is driving me insane. I have a Vizio M65-C1 with the Shield plugged into HDMI 5 (fully compliant).
My problem is that at entirely random times ( about once every hour or two) the Shield will "loose sync" with the TV for a split second, and the screen goes black before coming back and continuing on perfectly fine like nothing happened at all. This happens in any app and the surprising thing is that Netflix doesn't pause when this happens ( which I thought it did when there is a signal issue due to copy protection? correct me if I am wrong please... )
My question is, has anybody else ever heard or seen this with the Shield TV? I had my Xbox One on the same port for a few months before the Shield and it never had a problem, albeit it only ran at 1080p. My main thing I am trying to figure out is whether this is a TV issue or a Shield issue.
Any insight would be greatly appreciated!

I have the same issue, but with the M55-C2 and the Nvidia Shield. I'm on firmware 1.3.15UHD. The Nvidia Shield does not drop out when connected to my two other TVs, which are not 4k.
Others are having this issue as well.
http://forum.xda-developers.com/shield-tv/help/flicker-loss-signal-handshake-issue-t3292056

derpderpy said:
I have the same issue, but with the M55-C2 and the Nvidia Shield. I'm on firmware 1.3.15UHD. The Nvidia Shield does not drop out when connected to my two other TVs, which are not 4k.
Others are having this issue as well.
http://forum.xda-developers.com/shield-tv/help/flicker-loss-signal-handshake-issue-t3292056
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Click to collapse
FUUUUUUUUU thank you SO much for responding. At least I know where the problem lies now. I have literally been scouring for weeks. I have no idea how I missed that thread.
Well the thing that sucks is that this is seemingly out of my control to fix then :/
EDIT: Apparently you copied the link to this thread Has anybody been able to workaround this for now do you know? It's not super annoying, but hardly ideal either.
EDIT 2: https://forums.geforce.com/default/...-hdmi-disconnect-reconnect-problem/?offset=25
Apparently this is definitely a problem with the firmware. Searching handshake with that firmware version got me here.

Nvidia told me to change the refresh rate to 59.9hz as a temporary solution. So far so good

Ditto for me... Same model TV.. Same issue.. Will try setting to 59.9hz to see if problem persists. It's annoying when it happens in the middle of a game ..
Update: Changed the setting last night and the issue seems to be gone.. Thanks for the info !
derpderpy said:
I have the same issue, but with the M55-C2 and the Nvidia Shield. I'm on firmware 1.3.15UHD. The Nvidia Shield does not drop out when connected to my two other TVs, which are not 4k.
Others are having this issue as well.
http://forum.xda-developers.com/shield-tv/help/flicker-loss-signal-handshake-issue-t3292056
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Related

how many people on this having problems with freezing on mojo

Starting this thread to see how many people are having freezing problems with mojo even if ur not and please put say if ur rooted or not and what version and firmware ur using thank you
Have freezing firmware 0202 root mmm 3
rickyd1982 said:
Have freezing firmware 0202 root mmm 3
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Click to collapse
Me also, was using Firmware 0202 and he was Rooted.
Rooted. Latest firmware. I've only had freezing when playing The Walking Dead. I have not experienced it with anything else yet. I use MOJO for 1080 movies, streaming, playing android games and emulation, surfing etc. without any issues with those.
I got bad freezing yesterday tried different things fans and stuff was getting freezing while streaming on XBMC and downloading from the play store so today I decided to have no fans disconnected the Ethernet cable just used WiFi been streaming all day and have downloaded big games from the play store and it hasn't crashed yet
rickyd1982 said:
I got bad freezing yesterday tried different things fans and stuff was getting freezing while streaming on XBMC and downloading from the play store so today I decided to have no fans disconnected the Ethernet cable just used WiFi been streaming all day and have downloaded big games from the play store and it hasn't crashed yet
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I heard about this mounts ago, so why have Mad Catz not fixed this BIG problem yet with a Firmware update???
I think because it's a hardware problem, why else would they not fix that problem with a Firmware?
Rooted latest firmware.
My mojo also locks up while playing Walking Dead and pauses/freezes while downloading from play/app store!
Wifi seemed better for a while but eventually got pauses/freezing on wifi as well.
I have had a support ticket open with Mad Catz for a while now and so far they are blaming it on software
and keep asking me to reset/clear data.
I have asked for a replacement unit to prove it is not hardware but have had no response!
I have two Mojo units and have never experienced any type of freezing issue such as you gentleman (or gentlewoman) speak of. Perhaps you received a bad batch?
So I have recently been experiencing more freezing. First only noticed it when I played Walking Dead as stated above. After a couple of episodes of freezing on that game I just uninstalled it and moved on. More recently after using the MOJO for streaming shows from apps I've been getting the freezing and it will make a humming noise when it freezes. I have noticed this both on a wired connection and wireless. I've also experienced the screen going black while playing a video, but you can still hear the audio. This requires exiting to the home screen and going back into the app and starting the video again from where it left off. Ticket submitted today. I like my MOJO, but this is not acceptable.
Have u still had the Ethernet lead in when u where on WiFi pull the lead out completely mine freezes when the lead is in but I don't get any freezing when I keep the lead out and just use WiFi give it a go
I discovered that my MOJO was freezing in Walking Dead due to the "GMD Auto Hide Soft Keys" app! If I do not hide the softkeys it doesn't seem to freeze. I have tried "full!screen" (I don't like to see the softkeys while playing games) and it hasn't frozen/locked yet. The only problem I still have is the pausing/freezing when downloading from play/app store. It is better on wifi but not perfect. I prefer wired!
rickyd1982 said:
Have u still had the Ethernet lead in when u where on WiFi pull the lead out completely mine freezes when the lead is in but I don't get any freezing when I keep the lead out and just use WiFi give it a go
Click to expand...
Click to collapse
I have the lead out and have still had the freezing. Everything works great on my Wi-Fi right up until a freezing episode occurs during streaming.
JulianH said:
I discovered that my MOJO was freezing in Walking Dead due to the "GMD Auto Hide Soft Keys" app! If I do not hide the softkeys it doesn't seem to freeze. I have tried "full!screen" (I don't like to see the softkeys while playing games) and it hasn't frozen/locked yet. The only problem I still have is the pausing/freezing when downloading from play/app store. It is better on wifi but not perfect. I prefer wired!
Click to expand...
Click to collapse
I also thought it may have been the GMD Auto hide so I uninstalled it and installed "fullscreen". I have had freezing with fullscreen installed as well. It seems to happen randomly during streaming. I'm going to keep testing things out and will probably try The Walking Dead again. I may try a factory reset at some point after I finish playing GTA III if it's still occurring That game has run perfectly though.
JulianH said:
I discovered that my MOJO was freezing in Walking Dead due to the "GMD Auto Hide Soft Keys" app! If I do not hide the softkeys it doesn't seem to freeze. I have tried "full!screen" (I don't like to see the softkeys while playing games) and it hasn't frozen/locked yet. The only problem I still have is the pausing/freezing when downloading from play/app store. It is better on wifi but not perfect. I prefer wired!
Click to expand...
Click to collapse
Another app that requires root and does modification to the default user interface. Guys, be careful regarding apps that require root access. If the mojo is not on the supported list for any of these types of apps that actually modify the interface, I would say to proceed with caution. Root is a powerful thing.
rickyd1982 said:
Have u still had the Ethernet lead in when u where on WiFi pull the lead out completely mine freezes when the lead is in but I don't get any freezing when I keep the lead out and just use WiFi give it a go
Click to expand...
Click to collapse
Agreed my wifi is dead locks webpages if it's on with ethernet in,i guess it's a conflict of the m.o.j.o probably saying wifi ethernet wifi ethernet wifi ethernet forever and can't decide so just [email protected] up in a timeout (hangs).Not tried on wifi only yet though must have a go at that,possibly could be the update messed the wifi up on root or on both none root and rooted devices?
I haven't had any recent freezing issues during streaming. I have gone back to ethernet with wifi turned off and seems to be doing ok. I unplug the unit every couple of days.
I have one really weird issue. It only occurs when streaming video, such as from HBOGO, never when playing games. I will be watching and the video will go black. There is still volume, but no video. Hitting the volume button on my tv remote brings the video back immediately. I only found out the fix by trial and error as the MOJO controller won't bring back the video, only the TV remote. Anyone have any ideas what might be causing this? HDMI issue? It happens randomly and will happen multiple times during a show. Sometimes within a few minutes of starting a show, other times it takes a bit before it will do it.
no more freezing
Just like to report that I have now been going a few weeks now and have had no freezing what soever since I stopped using Ethernet really glad now I didn't send mine of working like a charm
christoph80 said:
I haven't had any recent freezing issues during streaming. I have gone back to ethernet with wifi turned off and seems to be doing ok. I unplug the unit every couple of days.
I have one really weird issue. It only occurs when streaming video, such as from HBOGO, never when playing games. I will be watching and the video will go black. There is still volume, but no video. Hitting the volume button on my tv remote brings the video back immediately. I only found out the fix by trial and error as the MOJO controller won't bring back the video, only the TV remote. Anyone have any ideas what might be causing this? HDMI issue? It happens randomly and will happen multiple times during a show. Sometimes within a few minutes of starting a show, other times it takes a bit before it will do it.
Click to expand...
Click to collapse
Your not using a mouse by any chance?Or leaving the mouse cursor on the top black area of the screen,as on my unit if i leave the mouse cursor on the top bar from time to time i get intermitent flickering (black screen/normal screen) or the screen just goes solid black.So i just place the cursor anywhere but when i am using the unit and it does not happen then.
PHYSC-1 said:
Your not using a mouse by any chance?Or leaving the mouse cursor on the top black area of the screen,as on my unit ifi leave the mouse cursor on the top bar from time to time i get intermitent flickering (black screen/normal screen) or the screen just goes solid black.So i just place the cursor anywhere but when i am using the unit and it does not happen then.
Click to expand...
Click to collapse
Yeah, I get that too, only on at the top and it's only a few pixels (hoz lines), just blanks out the display.
not sure what's going on there, just figured it's the TV which has overscan issues anyway.
gwaldo said:
Yeah, I get that too, only on at the top and it's only a few pixels (hoz lines), just blanks out the display.
not sure what's going on there, just figured it's the TV which has overscan issues anyway.
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Click to collapse
Mine went black screen and had to take it back,got a refund now.I am looking at the xiaomi mipad but don't have a clue how much they are or when or if they get released in the uk? Wondering if anyone knows if android possible to install on a jetson tk1 deveoper board as well as maplin have them listed but none in stock?
I'm back to my ouya again i bricked it the other night and spent 48hrs fixing it i wrote a tutorial for people in the same boat now in the ouya help forum here took me ages.I want cynogenmod on it but don't have a laymans guide to do it,bet yu don't know of one do you?
Too bad about your mojo.
PHYSC-1 said:
I want cynogenmod on it but don't have a laymans guide to do it,bet yu don't know of one do you?
Click to expand...
Click to collapse
No sorry, I don't have an ouya.
Re the jetson tk1 deveoper board, I don't see why it can't run android, I'm sure someone will have a androind rom for it.

Netflix crashing the whole unit

got my Nexus Player tonight and, while there are definitely things that need improvement, overall it's pretty good.. I was watching netflix with no issue for about 3 hours, then went to get some dinner.. Came back and it was having issues connecting.. error NW-4-8. signed out and back in and it was able to connect, but now, any time that I start to stream something on netflix, it crashes the entire unit.. my tv starts flashing "No Signal" and i have to unplug/replug it.. This happening to anyone else? I haven't tried reseting it to defaults yet, and will try that if it's not fixed tomorrow, but wanted to see if anyone else was having the same issues..
Haven't seen that myself but try clearing cache/data for netflix before resetting the whole box.
Sent from my Nexus 5
ill give that a try.. from the apps menu, right? i dont think i've seen any way to do that from within netflix.
melophat said:
ill give that a try.. from the apps menu, right? i dont think i've seen any way to do that from within netflix.
Click to expand...
Click to collapse
Settings (bottom left icon, looks like a gear)-> Apps, find netflix, clear data.
You'll need to resign in, ect. I had to do this the other night on one of my ADT-1's because I had a similar error, and it wouldn't connect to netflix.
ok, so after doing this, it worked for awhile.. now i can't play anything on netflix at all.. just gives a blank screen when i select something to watch.. the netflix app is crap on the player, unfortunatly.. hulu/plex/ted... all others are working with no issues, but netflix is extremely inconsistant.. such a disappointment for an app that should have been ready at launch.
melophat said:
ok, so after doing this, it worked for awhile.. now i can't play anything on netflix at all.. just gives a blank screen when i select something to watch.. the netflix app is crap on the player, unfortunatly.. hulu/plex/ted... all others are working with no issues, but netflix is extremely inconsistant.. such a disappointment for an app that should have been ready at launch.
Click to expand...
Click to collapse
Maybe it's the software , Netflix works fine for me but plex I can't make it through a movie with out it crashing...
toe451 said:
Maybe it's the software , Netflix works fine for me but plex I can't make it through a movie with out it crashing...
Click to expand...
Click to collapse
Same! Netflix works great here.
Both Plex and Netflix have plenty of bugs on Android TV. I'm speaking from my experience on the ADT-1. Neither company has been actively fixing bugs. .. Plex has their forums, but the devs just ignore you.. and update **** no one cares about, like sync, or previews.
Luxferro said:
Both Plex and Netflix have plenty of bugs on Android TV. I'm speaking from my experience on the ADT-1. Neither company has been actively fixing bugs. .. Plex has their forums, but the devs just ignore you.. and update **** no one cares about, like sync, or previews.
Click to expand...
Click to collapse
I dont mind a bug or two here and there, plex at least works, just like hulu and all the other basic apps from large streaming companies.. But netflix just freaking crashes the unit.. Its fully unusable with no rhyme or reason why. I've uninstalled, signed in and out, tried both 5ghz and normal networks, reset and started over even and its just not working.. And without root, i cant even install logcat to track down the issue in a more logical manner. Whata even more frustrating is that i seem to be alone wih the issue.. The only thing ive noticed is that when netflix tries to load a video, it'll count 1-6%, jump to 63%, then to 99%, then goes to a black screen. Then my screen flashes no signal. If i hit the home button a few times, itll come back to the home screen, but nothing changes... Anyone elae with ideas, pkease feel free to chime in. Im fairly comfortable with adb abd faatboot if that helps..
melophat said:
ok, so after doing this, it worked for awhile.. now i can't play anything on netflix at all.. just gives a blank screen when i select something to watch.. the netflix app is crap on the player, unfortunatly.. hulu/plex/ted... all others are working with no issues, but netflix is extremely inconsistant.. such a disappointment for an app that should have been ready at launch.
Click to expand...
Click to collapse
I have this problem as well, trying to watch anything on Netflix turns the video signal off to the TV, pressing back takes me back and turns the display back on. I'm using an older viewsonic TV so I tried moving the player to a newer Samsung tv and it works fine. So I'm just going to go ahead and point my finger at those DRM demons and blame them based solely on conjecture and sit and wait hoping for a patch or fix. (Netflix plays on the viewsonic fine with Roku and Chromecast, just not the nexus player.)
I'm having this same issue. Is there any resolution yet? The TV will flicker about an HDMI-CEC failure when this occurs, so I'm curious if there's a connection there.
Nope -- no connection. I disabled HDMI-CEC on the television, and Netflix still pretends to load the video and then displays a black screen. Tried clearing the Netflix cache and data, but this does nothing to solve the problem. Netflix worked fine for two days, and now this.
Had the same thing happen with the movie play store movie I rented. . Video would go black and only hear the audio. . I can unplug the hdmi from the tv and plug it back in and it will work for awhile. .. called Google they tried to blame it on the movie app.. and of course while on the phone it works fine. . Call google everyone. .
so, got root tonight and was able to grab a logcat.. looks like it's the HDCP authentication thats breaking, like we all thought.. here's the link to the log info, in case anyone smarter than me wants to take a look and maybe find something helpful (google docs link)::
https://docs.google.com/document/d/1BuWYZpvugrdXuY_xUJQPOxGI8mZ0gAjsvPQGtfaeYNM/pub
melophat said:
so, got root tonight and was able to grab a logcat.. looks like it's the HDCP authentication thats breaking, like we all thought.. here's the link to the log info, in case anyone smarter than me wants to take a look and maybe find something helpful (google docs link)::
https://docs.google.com/document/d/1BuWYZpvugrdXuY_xUJQPOxGI8mZ0gAjsvPQGtfaeYNM/pub
Click to expand...
Click to collapse
FWIW, I went ahead and swapped out HDMI cables and the new one, so far, is working great with Netflix & Nexus Player.
strange
PearcePowers said:
FWIW, I went ahead and swapped out HDMI cables and the new one, so far, is working great with Netflix & Nexus Player.
Click to expand...
Click to collapse
i tried that, no dice.. also, none of the other video apps (hulu, play movies) are having any issues at all..
melophat said:
i tried that, no dice.. also, none of the other video apps (hulu, play movies) are having any issues at all..
Click to expand...
Click to collapse
Yeah -- it doesn't make any sense to me either. I didn't have issues with any of the other apps when I was having the problem with Netflix going black. Fortunately, I haven't had the Netflix problem since changing the HDMI cable several days ago <knock wood>.
Per my post at http://forum.xda-developers.com/nexus-player/general/netflix-buffering-issues-t2961438, reinstalling NetFlix addressed NetFlix failing to work at all.
since I started this post, I wanted to post an update.. I never was able to get netflix to work in my setup.. I have my tv, hooked into a monoprice HDMI switch, then into the NP.. no other apps were having any issues at all except for the netflix app.. because netflix is 99% of what I would do on the player right now (seeing as there's very little development for it currently), I've returned my NP. I may grab another one at a later date, if development picks up, but right now, that's a device killing issue for me. hopefully nobody else runs into this issue.

[Q] HDMI audio

I was having an ongoing issue with the audio stuttering from time to time with the NP. I read on another forum that the fix was to get the rma handled from asus. Before I shipped it back though, on a whim I plugged it into my monitor. And to my shock no stutter. So it seems to me that my TV has a hard time decoding the PCM. Has anyone had any similar issues? Has anyone had any luck getting a USB DAC to work with this thing? I have one that plug and plays with multiple tabs and phones(running 4.4 and 5) but it won't work on here. I did try the Unleashed kernel, but no dice. The next course would be to try the rom that is on this forum. The only problem with that (if it does what I need it to do) I'm capped at devices for Google All Access.
Google claims to have fixed this bug in Android 5.1. We just need a damn image or build of it for our device.
ke5pcv said:
Google claims to have fixed this bug in Android 5.1. We just need a damn image or build of it for our device.
Click to expand...
Click to collapse
That's something at least. I'll hold out for that.
Side note: Lollirock would stop playing audio when the usb dac was plugged in, but everything kind of just froze up forcing a reboot. So no dice
I've called ASUS and got no where. They said they've never heard of the issue and might investigate it. I didn't purchase it from the Play Store so I had to call ASUS. They aren't to bad when it comes to tech support.

Screen sharing issue

I am having an issue with screen sharing. It has always worked before today. Right now, when i screen share I get a black screen on both of my smart tvs. If i am playing a video I can still hear the sound. Also, if i share to my tv through youtube it works fine. If i share to my tv through the stock gallery app it also displays a picture. If i share to my tv using the stock video app it also displays fine. The issue only occurs when I use the screen sharing app itself to mirror the phone to the tv.
I have tried restarting the phone, pulling the battery, restarting the tvs, pulling the power wire for tvs from wall and restarting tv that way and I also tried restarting my router. I cannot figure this out and was wondering if anyone else has run into this issue and maybe has a fix. Thanks in advance.
Also, my phone is completely stock.
Did you install a security update from Verizon recently? I have an Lg v20 and am having a similar problem.
Sorry, hadn't had anyone reply to the thread so figured it was a lost cause. Im on at&t and yes I do remember getting a security update prior to this occuring. Still havent found a solution.
There seems to be a problem with the latest update for the 990DS as well .
Edit: Yes mine have the same issue after the update
Its odd that there hasnt been more people with this same issue. Im inclined to say its an issue with the last security update because theres 3 of us with similar situations. Just wish there was more info anywhere on the web about it. Either the 3 of us are experiencing an isolated issue or nobody uses screen share.
Just got another security update now. Tried the screen share and sure enough it is working once again.
Fingers crossed
I hope I receive a similar update.
I happen to have two v20’s and one will screen share at full screen and one screen shares at 4x3 with black bars in the sides. Is there a way to fix this nd screen share so it uses the full screen?
LG v20
When screen mirroring apps to my Samsung TV everything all good until I stream netflix, hbomax, espn & tnt. I get no picture/video, only audio and subtitles. Any solution?
I don't recall doing an update and this LG v20 is on T-Mobile network.

Freezing Issue with Kodi 24/7 streams

Anyone else having issues with 24/7 streams in Kodi where it goes to start the next episode and the video freezes but the audio still continues?
I've tried resetting Kodi, turning off hw acceleration, everything I could possibly think of with no luck
Any suggestions/fixes?
I just bought this shield
Yup - exact same problem. But alas, no solution yet either. MiBox on Marshmallow works fine so not sure if this is an Oreo issue. Any and all help from the community is greatly appreciated!

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