I have an antenna tv and every time I turn on my computer, it knocks out the signal to my tv. I have tried plugging the computer in to different areas in my house and buying a booster for the antenna signal.

I have 20 amp fuses in my house for the electricity and the wiring was just updated 5 years ago. What can I do to fix it? Could it be my fuses?

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    So, you are saying no matter where your computer is in the house, when you turn it on you lose the antenna signal to your TV? So you can't get any channels while the computer is on? If your TV and computer both stay powered it is not your fuses. – ArchonOSX Jan 29 '16 at 9:32
  • There's a warning on every piece of electronics you buy that while it's designed to minimize interference, resolving any that does arise is the buyer's problem. Someone has to figure out whether the noise is radio or on the power wires, what specific component in the PC is causing it (fan, power supply, badly shielded case, ...) and determine whether and how it can be fixed. If this is a laptop, does it interfere when running from battery? – keshlam Jan 29 '16 at 13:41
  • Is the antenna grounded? Is cable from the antenna grounded? – Tester101 Jan 29 '16 at 17:01
  • This isn't your fuses. However: Is your computer a desktop or a laptop? If it's a laptop, does it interfere when running on battery, or only when running on AC power? – ThreePhaseEel Jan 30 '16 at 2:12
  • the antenna is grounded and yes they both stay on just there is no signal it is a desk top my air mattres knocks out the signal as well when i use it it has a built in pump – emily Jan 30 '16 at 2:51

Your TV, sadly, has what is referred to as a susceptibility problem -- it's vulnerable to being confused by electromagnetic trash generated by other gizmos, like air pumps and desktop PCs. From the nature of the interfering devices, it sounds like the electromagnetic trash is being carried from your PC and air pump to your TV via the power lines.

My recommendation is to plug your TV into a high-end surge suppressor with built-in EMI filtering circuitry (such as a Tripp Lite Isobar or Isotel) -- this will reduce the amount of trash that gets into your TV, and hopefully make it so you can watch TV with the computer on.


Okay, I was having this issue and found the problem if your using a Leaf style antenna. I tried lots of things but sometimes you just gotta Keep it simple.

I wrapped tin foil around the antenna part facing in. That's it. Every single problem disappeared. Instantly.

Might even be boosting things a bit.

Just posting this in here since it was the first google result I got.

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