Some HD channels on my Sky Q box are no longer working or pixilating.

[LauraA4]

Some HD channels are displaying no signal or at other times pixilating. I have confirmed that the latest software is being used. I have checked the status of the dish signal which is good and have powered the Sky Q box on and off but this has made no difference. 

[Daniel0210]

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@LauraA4 wrote:

Some HD channels are displaying no signal or at other times pixilating.

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@LauraA4 
”No signal” tends to be a message from your TV (in which case check the cables going to the TV).

A “no satellite signal” message relates to your Sky box.

Whenever a “no satellite signal” message is displayed firstly check that the connections from the Sky dish going into the back of your Sky Q box are still finger tight. Also check out the troubleshooting on this link
https://www.sky.com/help/articles/sky-tv-no-satellite-signal-sky-q
It may then give you the opportunity to arrange an engineer to check the alignment of your dish (it’s not something that will necessarily be visible to the naked eye). If you’re on a communal dish you may initially need to liaise with your landlord or building management company.

[PandJ2020]

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@LauraA4 wrote:

I have checked the status of the dish signal which is good

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Unfortunately, that isn't an indication for all channels.  Chances are your dish is slightly out of alignment - you may need Sky to check it.

But check all satellite feeds are firmly attached with no stray wires.