Radio Frequency Interference on external monitor with Tecra M10
I have a Tecra M10 that seems to emit RFI, causing lines of interference on the external VGA monitor and audible interference on its speakers.
I was worried that this might be a hard drive in trouble, but before the call to support, decided to continue the investigation.
First I tried unplugging all USB devices; the intervention was still there, so I tried to unplug the PC from the Express Port Replicator.
As I moved forward, the noise has been reduced, and this led me to check the power supply.
The unit is a 5 amp unit, PA3378-3AC3, and that seems to be the source of the DDR.
Port replicator came with a spare unit 5 amp, PA2521E-2AC3, but there is too little noise from it.
So I checked the two supplies with and without the duplicator.
Noise each time.
Suggestions - is something wrong or it is to be expected with the Tecra M10 RFI?
Hello
Have you checked if the same question would be displayed using the laptop with the own plugged AC adapter.
Someone had very similar problem and it was a problem to the ground using a power cable 3 pins for different could solve this problem.
But of course the question could be also related to the monitor cable external doggy.
The user in this thread has this issue.
The replacement of the power cable supplied with the monitor helped.
It s worth a try check it out...
Tags: Toshiba
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