Noise hiss high when closed and start \up

I have an Acer laptop, Windows 7.  He made the high cry when closing the lid too soon after shutdown of the internet.  Recently, he has started doing that even at the start.  My son-in-law is the microphone.  I try to keep the volume low anyway.

Hello

Welcome to the Microsoft community. I will certainly help you with the problem you are experiencing.

I would like to ask you some questions, in order to better understand the issue.

  1. What is the model number of your PC Acer laptop?

  2. When was the last time it was working fine?

  3. Remember to make changes before the hardware or software issue?

  4. Everything else works fine on the laptop?

The only thing that can usually make that noise is the internal fan of the laptop. To diagnose if its hardware or software related, try to turn off the sound so that all the system sounds are disabled and check if the problem persists. If the problem persists, it could be the fan makes noise.

Do not respond with all the answers and the result after trying the method. Hope this information was useful.

Thank you

Tags: Windows

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