When I boot the laptop I get this weid noise from the speakers, a loud feedback noise like from a microphone. I recently changed the hard drive and it worked fine. Returned it to the customer and within a few weeks they told me it was making the strange noise. The hard drive is fine I checked it and no problems. Windows does a check on the hard drive every time I boot the system. Is it a problem with the internal speakers itself or the mainboard??? Please help.
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Feedback is a sharp, loud noise that can come through the earphones of a headset unexpectedly---it occurs when the headset is getting sound (feed) from someone else speaking or playing music into a microphone. This sound can create a dangerous situation for someone who is operating expensive equipment or flying a plane at the time since it can disable hearing temporarily. If you experience feedback often, it could also lead to serious hearing problems.
Mic Too Close to the Speaker or Volume Too High The main cause of a feedback sound in a headset is proximity to a speaker. If a person holding a microphone on the other end gets too close to a speaker, it creates a loop of re-amplified sound that results in the loud, screeching noise. When the volume on the other party's microphone is too high, it is more vulnerable to picking up unwanted noise and feedback from speakers and sound output devices in the room. So make sure that you ask the other party to turn down the microphone to a normal level and stay far from speakers. b> Two Microphones Gathering Same Sound b> When the other party places two microphones too close to each other, it could cause feedback. When positioned toward the sound source (such as a person speaking) the microphones will both pick up the same audio and compete with each other when creating the output of sound, causing a sharp noise in your headset. This problem, called acoustic phase interference, is resolved by simply ensuring that the other party uses one microphone at a time. Poor-Quality Headset or Microphone b> One common cause of feedback is simply a poor-quality headset or microphone. Most modern headsets and microphones have noise-canceling features that manage and kill feedback before it has a chance to occur. These noise-canceling headsets are essential for pilots and aviation crew members. If you hear sudden feedback that is strong enough to hurt your ears, the headset or microphone is simply not properly equipped to actively cancel that unwanted noise before it hits your ears. Buy a higher-quality noise-canceling headset to manage the feedback noise when you're going about your tasks. Hope this helps.
The usual cause of microphone noise is caused by audio settings where the microphone gain may be turned up to high causing it to pick up noise from the computer or built in speakes. This can cause noise ranging from an odd hum to a high pitched squeal.
Hi there. Your microphone is on, and when you close the lid it is closer to the speaker. It needs
a loud noise (like closing the lid faster) and it enters into a feedback loop.
We need to find a way to make the microphone not play back.
Try left clicking on the speaker icon in the bottom right of the screen, and click playback
options. Here mute the microphone, and see if it solves your problem.