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Rescuecheck
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6 Messages

Wed, Mar 14, 2018 7:00 PM

XG1v4 4k DVR no signal to TV blue screen

Works fine until I switch HDMI input to other source like Xbox or Blu-ray then when I switch back to XG1v4 the TV displays a blue screen. I have to manually disconnect the HDMI cable from the back of the XG1v4 and plug it back in to watch my TV shows. I believe this is being caused by a failed HDCP "handshake" between the XG1v4 and my Samsung KS8500. Since this started happening only after upgrading from the old X1 DVR to the new XG1v4, I have to blame the newest component. I read another post on blue screen issues and laughed when the "service expert" suggested a short with the TV. Please don't insult me like that. And yes, I've already disconnected power and coaxial cable and waited 5 minutes and reconnected and It still does it. I swapped HDMI cords to a high quality cable, and tried different HDMI inputs on the TV. I don't think I should have to "trick" the XG1v4 to re-establish signal with my TV by pulling the HDMI cable every time it blue screens.

What's the solution?

Responses

Juskray47

Contributor

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23 Messages

3 y ago


@Chasehuck wrote:
Spoke with a rep last night after going through all the solutions suggested here.. I get a no signal on my Vizio p65 4K. I thought it was due to it going to sleep after a certain amount of time, however the rep told me to adjust the system update time to see if that was causing the issue... and sure enough after changing to 6pm instead of running at 4am, I turned the tv on next day with no issue. However turned it back on at 9pm and there was the no signal.. do others see the same thing?

Yes, this is exactly what we are experiencing.   Interestingly, I was originally led to believe this was a Samsung/Comcast issue.   Definitely a Comcast issue now. Others have Sony sets and now your Vizio.  Keep checking back on this thread.  This problem has not been solved for over six months.

New Poster

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1 Message

3 y ago

I have the same issue with my tv and I have a Samsung 8000 series. I never had this issue with the old x1 box and I’m on my second new box because of this issue and it’s still happening. Talking this over with a lot of people it seems this is solely a Comcast issue! Verizon friends and direct tv friends of mine do not have this problem I sure hope there will be a fix soon because the amount of money I pay for cable on Comcast there should be a team that is working on this issue

New Poster

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3 Messages

2 y ago

All,

 

I seem to have found the cause of my issue.  Since I've made the change I have not encountered the problem again.


I actually worked with a few different Comcast service reps (they were very knowledgeable/helpful!) - started by troubleshooting with settings on the box and settings on the TV.  Ultimately in an earlier post/thread I remember seeing the HDMI link option (that had been on Comcast Labs) worked for one person but that was removed from options.

 

Searching options on my TV I found the CEC was turned on.  There are probably more technical people on this thread that can explain better but since that was on it was causing my issue.  More on CEC: http://encyclopedia2.thefreedictionary.com/hdmi+cec

 

Once I turned the CEC option off on my TV, I have not had the problem since!

 

I'm not sure for Samsung/Sony if the option would use the same term as Vizio, but I would suggest searching your TV settings for this to turn it off - reading that CEC still has some kinks across vendor products.

New Poster

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1 Message

2 y ago

I’m having the exact same problem. dish network worked just fine. Comcast does not work. Has anyone found a solution that works? I am getting very frustrated. I have a Samsung Curved 55” 4K Comcast says it’s Samsung. When I power at the Xfinity box, it says welcome loading, this may take a few minutes. So I know the box is talking to the TV and the HDMI cord is good. As soon as it loads it goes to a blue screen. No amount of unplugging any of my cords fixes it and when I power the Xfinity box, it says welcome loading, this may take a few minutes. So I know if the box is talking to the TV and the HDMI cord is good. As soon as it loads it goes to a blue screen. No amount of unplugging any/all of my cords fixes it. It only works when it wants to.
Juskray47

Contributor

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23 Messages

2 y ago

Unfortunately this did not work for me.  I’ve got a Samsung TV and the setting for CEC was off.  Still get the blue screen whenever I turn on the TV after it’s been off for a while.   Same issue for over six months now.  Fingers crossed for a fix, or for Dish to buy Comcast!

New Poster

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1 Message

2 y ago

I just plugged in xg1v4 box tonight after years of no issues with previous x1 box. (Wanted that 4K upgrade). Plugged in and worked perfectly for 2 hours. Then went black. I still have audio if that even makes sense. Did all the changing of cables, changing inputs on tv, rebooting, system refresh, CEC on/off, etc. box has power and I can change channels, as I can hear the tv thru the tv speakers but screen is black. Unplugged xg1v4 box and plugged old box back in (haven’t shipped it back yet) and it works just perfectly. When checking online both boxes when plugged in appear connected. I have a new vizio p-series. I know there are no answers here, but sharing my issue as I will Return this box and probably just keep my old one
CCShane

Bronze Problem Solver

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5K Messages

2 y ago

Tvguy2 -- Thank you for reaching out to us in the Forums and I apologize for the issues you are having. Were you able to swap your box out as suggested? 

xTheDudex

Frequent Visitor

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11 Messages

2 y ago

@ComcastLeon Would you still like my TV/Box info or have you given up on this issue?

xTheDudex

Frequent Visitor

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11 Messages

2 y ago

So is Comcast/Xfinty in the habit of deleting posts now?

Regular Visitor

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5 Messages

2 y ago

Issue with Sony TV, as well. Not a blue screen. Black screen. No sound. Nothing. Unplugging and replugging the hdmi cable is the only thing that works. HDMI cable was perfectly fine with directv. I can see from researching this forum that this problem has been ongoing for years, and comcast's continued response is that it must be a problem with their customer's equipment. Apparently the only solution is to put up with it until my contract expires, then return to satellite.

Frequent Visitor

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8 Messages

2 y ago

This solution may be Samsung specific but the only way I have been able to resolve the blue screen failure issue is to turn off HDMI UHD Color on all ports.  Turning it off only on the port connected the XG1v4 box did not resolve the issue.  This could be due to the single port connection from the multi-port one connect box to the TV.

xTheDudex

Frequent Visitor

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11 Messages

2 y ago

Turning off UHD color isn’t a fix it will toggle the screen and get the picture back but is not a permanent fix. Even if it was...having to turn off UHD color for this cable box is ridiculous.

Regular Visitor

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5 Messages

2 y ago

Decided to give them  one last try. They replaced the 'new' box, evidently designed for 4k tv's (I have a smart tv but not a 4k), with one of the previous models (the one with a clock on the front). No more problems. It has been over a week now, and the tv turns on perfectly every time.

New Poster

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1 Message

2 y ago

I am having the same issue as the others here, we have the X1 DVR Box and have had it reset a multitude of times but are still getting the blue screen on our TV.  I have called into customer support and both times they told me that we needed to switch to a coax cable because our TV is no longer able to support the high bandwidth of the box (this seems strange being that we have had no issues in the 8 months we have been customers and it was working this morning).

 

What do we do now?  We do not have a coax cable, I do not want to go buy something for a service that I already pay $180 a month for, and our TV is only a couple of years old and high quality (Samsung) so that should not be the issue.

Frequent Visitor

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6 Messages

2 y ago

I just went to the new X1/4K box and am having the same issue. It first started with me when I went to HDMI 2 for 4K Apple TV. It doesn’t happen all the time,  so I’m trying to pinpoint when it happens. So here’s my question, do I really need the Xfinity 4K box since nothing is broadcast in 4K. I don’t use the apps on my Samsung 4K UHD nor do I use Netflix, You Tube, etc through Xfinity. I use my 4K Apple TV for all that. So, am I better off going back to the “old” box?

 

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