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Noisy microphone when charging is connected?
Notebook Lenovo g505.
I have an input for headphones and a micro, when the charging is connected, the microphone starts to make noise, but when I pull out the cord from the charging, the microphone works fine. Any ideas on how to fix this?
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This is the "norm". Battle power interference.
You can cure it by replacing it with a suitable high-quality PSU, or by upgrading to a higher-class laptop. The laptop is cheap, they will not shove a high-quality sound card into it.
As an alternative, buy USB audio 5.1. The Chinese have such a cost of $ 5-7. There is also a Logitech G430, there is a usb card in the kit, I use one myself, it is much better than the built-in one
Блок питания заземлен? Необходимо хотя бы зануление.
И от качества блока питания зависит, в нем должны быть достаточно большие катушки (LC-фильтр), сам блок питания, пожалуй, лучше брать оригинальный и помощнее, потому что если он для более мощных ноутбуков, значит для более дорогих, а значит, и сам, вероятно, будет лучше.
Проводку заземлите, в первую очередь, если не заземлена. Хотя-бы розетку, к которой комп подключен.
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