Laptop Audio Interference From Power Supply

Laptop Power Supply Problem Noise!! - Sweetwater

https://www.sweetwater.com/forums/showthread.php?45762-Laptop-Power-Supply-Problem-Noise!!#:~:text=The%20cause%20of%20the%20noise%20is%20NOT%20due,get%20a%20device%20known%20as%20a%20hum%20destroyer.

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Solving Laptop Noise and Ground Loop Audio …

https://www.youtube.com/watch?v=jSA2F1AwboU

laptop power supply interference | RadioReference.com Forums

https://forums.radioreference.com/threads/laptop-power-supply-interference.154047/

824. Location. Emporia, KS. Aug 4, 2009. #1. I have a older Dell Latitude laptop and the power supply puts out terrible interference on VHF and makes 2m and railroad listening impossible in my apt and when mobile. Yes i take the Laptop with me. I have a ferrite bead from a old pc power supply on it with the wire looped through it a few times ...

Power supply noise in audio - Electrical ... - Stack Exchange

https://electronics.stackexchange.com/questions/36701/power-supply-noise-in-audio

That something could be the signal-ground on the output cable of your power supply. It could be a screw on the laptop. Or a shield on an unused laptop connector. Or the ground/shield on your audio cable. Make that 3rd prong adapter, but leave the other end bare for the moment.

Noisy laptop power supply - Sound Forums

https://soundforums.net/community/threads/noisy-laptop-power-supply.3504/

Laptop power supplies and other DC power supplies that are in a plastic shell but have a 3-wire cable have that cable for a reason. Usually because either the plastic enclosure does not have sufficient insulating or flame-resistant properties and there's a metal enclosure inside the plastic enclosure that needs to be grounded, or because the earth ground is needed …

How to get rid of hum and other noises from your audio ...

https://www.techhive.com/article/582313/how-to-get-rid-of-hum-and-eliminate-other-noises-from-your-audio-and-video-systems.html

Ground loops are hardly the only thing that cause electrical noise; pretty much any device with a motor (hair dryers and blenders, for instance), as well as dimmer switches and failing fluorescent...

Laptop Power Supply Problem Noise!! - Sweetwater

https://www.sweetwater.com/forums/showthread.php?45762-Laptop-Power-Supply-Problem-Noise!!