My PC is causing interference on the TV. Solved

Question

Good evening everyone!

So, when I turn on my computer, which is in the same room as the TV, there are major interferences on some channels... and it annoys my wife!

I thought it might be due to the poor quality of my computer's power supply (JNC; LC-300ATX). Assuming that's the cause, would replacing it eliminate these interferences? If so, which model should I buy?

Thank you for your responses.
Enjoy!

bicus 38 · Accepted Answer

Hello

I had a somewhat similar problem:

1 Samsung flat screen
1 hard drive recorder

As soon as I connected both via HDMI and turned on the recorder, it scrambled the reception of the digital TV on the TV, but not when connected with a SCART cable...

I searched for a long time, I even returned the TV for an exchange (it was new)
I tried several HDMI cables...

Until the day I bought 2 shielded cables with ferrite (high-end) for the antenna, and miraculously all the problems disappeared

As soon as a signal was emitted on the HDMI cable, it caused interference on the digital TV.

M&M · Answer

Try to determine if the issue comes from the PC or the monitor: turn off the monitor with the PC still on.
Try to see if it comes through the 220V power cable or through the antenna. Move the PC and install it on another phase of the three-phase system. Move the PC away...
If it's the PC that is emitting, you can try it with and without the cover. If that's the case, new PCs offer a Spread Spectrum setting in the BIOS setup, which will cause slight variations in the PC's clock to avoid constantly emitting interference on the same channel and its harmonics.

If it's radiofrequency radiation, it means your connection from the TV to the cable network is poorly done; you should have the connectors checked and choose well-shielded, metallic models...
_ç_§:
(.)#(.)

FK · Answer

Personally, I have the same problem as you, impossible to find the solution, a real puzzle!

My PC is causing interference on the TV.

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