Remove all third party audio or video components connected to the TV.
Ensure that any audio or video components are connected to the TV properly.
It may be necessary to contact the signal provider. IMPORTANT: If the noise only occurs on a specific channel or input, the issue may be with the signal being received.
Change the channel or video input of the TV.
If the TV produces a high-pitched noise, follow the steps below to troubleshoot the issue.
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