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Enthusiast
Posts: 1
Registered: ‎12-23-2016
Message 11 of 169 (2,268 Views)

Re: After Marshmallow Update Dec 2016 KDL-55W800C non responsive overnight (idle) and requires power cycle to restart. Can an

Just wanted to add my voice to the problems as described in this thread.  Same issues here on my KDL50W800C and they began occuring since the Marshmallow auto-update.  There seem to be some intermittent quirks in other areas (Netflix app is behaving differently), but my primary issue is the power issue.  The TV cannot be turned on by remote or onboard power button until I do a power cycle.  I was able to wake the unresponsive TV by casting to my Chromecast (not casting to the TV itself).  The power issue happens about 75% of the time.

Apprentice
Posts: 6
Registered: ‎12-23-2016
Message 12 of 169 (2,245 Views)

Re: After Marshmallow Update Dec 2016 KDL-55W800C non responsive overnight (idle) and requires power cycle to restart. Can an

I've also been running into the issue described in this thread with my KDL-50W800C since the Marshmallow update.

 

Another weird thing that sometimes happens is, whenever I turn it off, the sound keeps playing even though the display has turned off. From that point on, the TV does not respond to input and needs to be unplugged/plugged back in before it will respond again. (This doesn't happen every time it freezes, but I have had it happen at least twice.)

Apprentice
Posts: 6
Registered: ‎12-16-2016
Message 13 of 169 (2,223 Views)

Re: After Marshmallow Update Dec 2016 KDL-55W800C non responsive overnight (idle) and requires power cycle to restart. Can an

So I was able to solve my issue for now. I cleared the cache for all the system and installed apps, uninstalled all but my eessential apps, left the TV unplugged overnight. My TV has been wakeable and performing normally for about 5 days now.
Specialist
Posts: 29
Registered: ‎12-30-2016
Message 14 of 169 (2,096 Views)

Re: After Marshmallow Update Dec 2016 KDL-55W800C non responsive overnight (idle) and requires power cycle to restart. Can an

Same here. Tried everything on Sony support. My opinion? Sony is too quiet to believe they don't know there is a big problem in background. Beside the same advise posted everywhere by one of their guy to factory reset or power reset there isn't any solution.

Apprentice
Posts: 6
Registered: ‎12-16-2016
Message 15 of 169 (2,091 Views)

Re: After Marshmallow Update Dec 2016 KDL-55W800C non responsive overnight (idle) and requires power cycle to restart. Can an

Spoke too soon. My TV was unresponsive this morning.
Rookie
Posts: 1
Registered: ‎01-01-2017
Message 16 of 169 (1,974 Views)

Re: After Marshmallow Update Dec 2016 KDL-55W800C non responsive overnight (idle) and requires power cycle to restart. Can an

Same story here. My KDL65W850C was fine until a recent update, now more than half the time it won't power on and I have to unplug/plug it to get to to come back on.

Specialist
Posts: 24
Registered: ‎01-05-2017
Message 17 of 169 (1,804 Views)

Re: After Marshmallow Update Dec 2016 KDL-55W800C non responsive overnight (idle) and requires power cycle to restart. Can an

Seeing as there are reports of this recurring I don't gaurantee my solution (as it may recur), but I have had a solid week without failure since changing the idle standby power off option in settings/power to off.

Apprentice
Posts: 6
Registered: ‎12-16-2016
Message 18 of 169 (1,747 Views)

Re: After Marshmallow Update Dec 2016 KDL-55W800C non responsive overnight (idle) and requires power cycle to restart. Can an

I tried this before and I tried it again yesterday.  This morning, TV was non-responsive.

 

My temporary solution.  I bought a socket timer from Ebay/Amazon.com.  One that can turn on to the second.  I program it to turn off for 10 seconds and then back on in the middle of the night.  If the switch is turned off/on for under 30 seconds, the TV will reboot without turning the screen on.  

 

Sony needs to address this quickly in a firmware update.  Very disappointing.  Sony has not even attempted to reach out to fix this bug.  Makes me think twice about purchasing another Sony TV is this is the type of support they provide.    

 

 

 

 

Apprentice
Posts: 6
Registered: ‎12-23-2016
Message 19 of 169 (1,744 Views)

Re: After Marshmallow Update Dec 2016 KDL-55W800C non responsive overnight (idle) and requires power cycle to restart. Can an

[ Edited ]

I tried bubbwat's idle standby power off setting, but it didn't help me either.

 

One thing I'll note from my experience with this issue.. you don't actually have to unplug the TV to make it responsive again. If it doesn't come on immediately after you hit the power button, wait about two minutes and then the light at the base of the TV will blink once really quickly. (I suspect the TV has some sort of internal watchdog process that recognizes it failed to respond to the IR, and forces a hard reboot system.) After that, it'll turn on if you hit the power button, though it'll make you wait through the cold boot process (with the 'android' logo on the screen).

 

I'm curious what the pattern is for anyone who isn't seeing this issue, since I'm dealing with it every single morning. I wonder if it's related to usage patterns..? My kids tend to watch a lot of Netflix, and they always turn the closed captioning on, so maybe that's related..?

Specialist
Posts: 24
Registered: ‎01-05-2017
Message 20 of 169 (1,737 Views)

Re: After Marshmallow Update Dec 2016 KDL-55W800C non responsive overnight (idle) and requires power cycle to restart. Can an

After seeing my solution fail for others, I went upstairs to check settings and, lo and behold, after 10 days it would not power on.  This time the power button on the back left side of the tv worked.  15 minutes later the TV powered down.  It restarted with remote and I then changed the no signal setting to off (it had been 15 minutes).

 

So please mark my answer as a non starter.

 

 

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