Very amplified speaker nois

Hi, I have connected speaker 200W for karaoke, taken of head-phone on my 'Pavilion DV9890EL model'. The speaker is very nois only when it is connected to the power supply. I tried to connect the speaker usb and the problem is the same, removing the power to reset the nois.
Could you please help me?

Hello Pino,

Thanks for your response!

Normally, I saw occuing static noise and fate of the speakers with a power of great power, and whenever you have other electronic equipment that uses radio waves near him.

Check if you can move any electronic equipment away from the laptop and the speakers and see if that helps!

Also, try to check if you can try another AC adapter just to see if the problem still occurs. Also, try to remove the battery and press and hold the powe for 30 seconds, do a powe reset on the laptop and see what happens then connect only the AC adapter...

Can you also try to use some amplfier speaker in another computer, just to see if the same problem occurs? I want to just isolate the problem and the cause, to understand whether the cause is really the power adapter.

In addition, check if the power socket where you connect the two adapter and amplifier are grounded and make sure that the laptop AC adapter is plugged into a grounded outlet and see if you can connect it to another taken, far from other connections, perhaps some induction or magnetism is the source of the problem...

This amplifier, you can tell me what is the brand and also has a power adapter? Maybe the cause is not the power adapter for laptop but the speaker amplifier! I have a home speaker system, 2.1 that I need to be very alert, if not will get little noise from both speakers...

Let me know if this helped you.

Thank you

Tags: Notebooks

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