Sky box

[Rico2]

My tv goes blank for about a second every so often  -  Currys the company I bought it from claim nothing wrong with Tv but it be my Sky box 

[Padam_Padam]

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@Rico2 wrote:

My tv goes blank for about a second every so often  -  Currys the company I bought it from claim nothing wrong with Tv but it be my Sky box 

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Have you tried changing the HDMI cable connecting your Q box to the TV?