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2 Posts

08-25-2019

GB

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Re: Lenovo Y540 crackling sound

2019-08-25, 16:51 PM

For those of you who have found a connection between the audio crackling and your wifi card, this is a great solution:

 

  1. Right click on wifi icon (right bottom of task bar) and choose Open Network & Internet Settings.
  2. Now you are at Network Connections window, Status tab (win10), click on Change Adapter Options
  3. Right click on your enabled network adapter (Wi-Fi) and click on Properties
  4. Now you are at Wi-Fi Properties window, click on Configure button.
  5. Click on Advanced tab,
  6. You will see properties in a multilist window, choose Transmit Power.
  7. There will be a setting of selected property in the right side, choose the 4- Mid-High or 3- Mid option (I use 4, and default was 5-Highest)

 

Credit to pseudofate who posted this solution for the Y520 model - it worked like a charm on my new Y540.

 

Hope this helps,
Blue x

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100 Posts

06-01-2014

IN

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Re: Lenovo Y540 crackling sound

2019-08-26, 2:49 AM

Kudos! Finally a solution :smileysurprised:

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2 Posts

08-26-2019

PH

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Re: Lenovo Y540 crackling sound

2019-08-26, 3:34 AM
This magically solved my problem! Thank you!

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4 Posts

08-23-2019

US

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Re: Lenovo Y540 crackling sound

2019-08-26, 3:59 AM

Unfortunately the transmit power workaround does not seem to work for me. It may have made the issue less frequent; it is hard to say. But I definitely still have a cracklng noise sometimes even using the 3 - Mid option. As a sidenote, does anyone know if reducing the tranmist power has a negative effect on wifi performance or anything like that?

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2 Posts

08-25-2019

GB

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Re: Lenovo Y540 crackling sound

2019-08-26, 12:23 PM

dissapointed111 - the difference isn't significant enough to be noticeable, so I wouldn't be concerned. 

 

Other models I believe ship with the default set lower out of the box. I certainly haven't run into any troubles streaming etc. 

 

Blue x

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13 Posts

06-05-2019

NL

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Re: Lenovo Y540 crackling sound

2019-08-26, 17:38 PM

I tried this workaround. Unfortunately it did not work, and did not fix the audio problem for me. The crackling was a little less maybe, but it was definitely not gone. :'(

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1 Posts

08-27-2019

IN

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Re: Lenovo Y540 crackling sound

2019-08-27, 6:11 AM

I have found the same issue but only when the laptop is connected to power supply ..

its really frustrating sound ..

Do let us know if anyone knows the solution

thanks.

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14 Posts

08-28-2019

SE

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Re: Lenovo Y540 crackling sound

2019-08-28, 9:06 AM

I have a brand new Legion Y540-17IHR, i7 9750H, BIOS BHCN29WW, Win10 build 1903 with audio crackling problem.

One strange thing I noticed is that the USB2 and USB3 speed is only about 60%
of what it should be. The weird thing is that if the computer processor is loaded
heavily, eg with a benchmark program or other software that requires a lot of
processor power, the USB speed goes up to normal values and the crackling sound disappears.
It may be a USB or data bus problem and not directly related to the sound card.
Lenovo support failed to solve the problem despite 1 hour try via remote desktop.
I think I have to return the computer unless a quick fix can be found.

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100 Posts

06-01-2014

IN

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Re: Lenovo Y540 crackling sound

2019-08-28, 9:26 AM

Did you try the transmit power to 3 solution posted above on page 7 here?

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14 Posts

08-28-2019

SE

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Re: Lenovo Y540 crackling sound

2019-08-28, 10:03 AM
Yes I have tried that. Have also tried with 1. Lowest and also with deactivation of the Wi-Fi card. But none of that solved the problem.
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