Question about InFocus X1 Multimedia Projector
I have a Dell C600 that is connected to a tv via docking station. when i plug in the power cord, a buzzing noise comes out of the tv. I have replaced the dock and the laptop and the power cord and it is better than it was but the noise is still existant. What should I do?
Right, the problem is caused by the earthing of the power supply.
You need a box, which isolates the earth from the laptop to the television, known as an Isolation Transformer. This goes in between your laptop and television, and removes the cause of the hum.
The other option is entirely at your own risk, as you're dealing with mains electricity, however, cover the earth pin with some insulation tape, thus stopping the power supply from earthing. Keep a close eye on the condition of your power supply and cable, as you will not be protected against shock if a fault should develop.
The same problem exists with Acer Laptops, as I have one, and use an isolation box when I want to play music in venues from my Laptop.
Posted on Mar 06, 2009
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Posted on Jan 02, 2017
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