Screen goes black momentarily then comes back on after a serving of two

[HeoffH]

We will be watching Sky Q and the TV screen goes completely black for a second or two then comes back on. This also happens on recordings. I assume it loses signal, then regains it. If we are watching in 4k, when the picture comes back on we get the 'UHD+HDR' Logo in the top right corner which also indicates the signal has disappeared and come back again. It does not happen when using any other input, only with Sky Q.

I'm getting really browned off with Sky Q. I've had it since its launch and had constant issues since. I never had any issues with Sky HD! I'm close to cancelling and I've been a loyal customer for 23 years.. 

[TimmyBGood]

@HeoffH 

If you log this as a fault with Sky, they'll probably swap out the main Q box.

If it happens with the new box then suspicion shifts to cabling or TV.

[Jamielee1990]

Did you ever solve this mine is doing same and they've already replaced the box 

[HeoffH · Accepted solution]

Hi, 

Yes, I solved it myself. I suspected a faulty HDMI lead(original Sky one) and so replaced it with one from my own stock. This worked and the problem has never recurred. I hope this helps.

Kind regards, Geoff. 

[Chodley]

Yeah I would suspect cable every time with a problem like that.

[Fidget004]

I have switched from 10bit colour to 8bit colour and the black screen has stopped, well so far so good.  However it nows that the likes of Disney, Netflix and Prime apps are only showing as HD and not 4K on the programs/films.  

I also get the bottom of the screen going out of sync, so it looks like a band that is delayed.  When this happens I get them to change the box out and everything works again for a while until needing to change it again.  All this is very frustrating as you lose all your recordings.

If anyone gets a proper solution please let me know.

[Dave.G6HNI]

My Q box was updated yesterday and today I am getting a similar 1 second blank screen with no sound, but only on a few channels, including UK Gold, Drama, Alibi so far, but not at all on any BBC, ITV, Ch4 or 5 , or Sky, Legend ?

Also occationally I see what looks like a different chanel breaking through, or when watching a corrupted MP4 file.

Signal Strength = 70, Quality = 90 while watching Drama, also occurs during adverts.

I haven't moved or changed anything

Any suggestions please

[Dave.G6HNI]

>>> UPDATE <<<

This drop out had cured itself by the next day and actually occured on the same day as the global Crowdstrike AV issue, so may well have been due to that.