How do I stop or reset a cable receiver that keeps turning a bedroom TV on?
Answer
If a set-top receiver keeps waking a bedroom TV, the practical fix is usually to power off or unplug that receiver (and disconnect extra boxes you no longer want), not a remote “account reset” by a stranger. Cover IR sensors only if needed after the box is truly off.
Follow these steps
Power down the bedroom path for the night
Turn the TV off with its own power button or remote, then power off the receiver or unplug it from the wall. If HDMI-CEC keeps waking the TV, unplugging the receiver is the clearest overnight stop.
You should see: The bedroom TV stays dark and the receiver is no longer powering content overnight.
Disconnect boxes you no longer want in that room
If extra receivers were connected and should not be used there, unplug their power and HDMI/coax from that TV so only the intended living-room or approved boxes remain connected.
You should see: Unused bedroom receivers are physically offline.
Ask the provider to remove unauthorized boxes from the account
Sign into the official cable/satellite account site or call support and ask to deauthorize or remove receivers that were taken or should no longer be active. Confirm only the boxes you want remain on the account.
You should see: The provider confirms which receivers are still authorized.
Prevent auto-on if the box must stay plugged in
If the receiver must stay powered, disable TV auto-power / HDMI-CEC features on the TV (names vary: CEC, Simplink, Bravia Sync, etc.), and keep the TV’s physical power off when not in use.
You should see: The TV no longer turns itself on when the receiver changes state.
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Extra tips
What to look for: Which box is the “main” receiver; HDMI-CEC/auto-power behavior; whether the receiver front panel stays on overnight
Before you change anything: Identify which coax/HDMI cables feed the bedroom TV before unplugging anything. Note account or box serial numbers if you will call the provider. Unplugging is safer than guessing account PIN resets online. Do not share account passwords with unexpected callers.