It is my ongoing mission to find completely silent phone and laptop chargers and PC monitor. I have three monitors and a laptop and not one is inaudible. They

It is my ongoing mission to find completely silent phone and laptop chargers and PC monitor. I have three monitors and a laptop and not one is inaudible. They all become inaudible when I set their brightness to 100% but this is not acceptable to me. I was able to mostly fix my Dell U3011 by replacing power supply capacitors. These were placed in worst possible spot, bathing in hot ascending air assuring shortened lifespan. One could wonder if it was done intentionally...