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SergiuA
Punch Card
Posts: 13
Registered: ‎03-21-2018
Location: RO
Views: 1,174
Message 251 of 258

Re: Lenovo Y540 crackling sound

Unfortunately, it was pre-installed in my laptop and now I have only the 33 one in the folder.
Nexon
Punch Card
Posts: 84
Registered: ‎08-28-2019
Location: CZ
Views: 1,166
Message 252 of 258

Re: Lenovo Y540 crackling sound

Okay, here it is: https://download.lenovo.com/consumer/mobiles/bhcn32ww.exe

I also attach 26WW version, which in my opinion works the best on this machine:

https://download.lenovo.com/consumer/mobiles/bhcn26ww.exe

Feel free to try both, which one works best for you. There is no risk in doing it.
MasterPi
Paper Tape
Posts: 9
Registered: ‎06-20-2018
Location: DE
Views: 1,064
Message 253 of 258

Re: Lenovo Y540 crackling sound

So after trying all the possible solutions for the problem, the only one that worked was to change the drivers for the NVMe as shown on page 19.
I had this fix going for a while now and the issue is gone.
BUT I encountered a new one: Windows is now telling me to restart to complete the driver installation every time windows boots up.
That's not really a problem, but it's a little bit annoying.

 

Well it's way better than the crackling anyway.

 

Cheers

RobaloAmigo
Fanfold Paper
Posts: 6
Registered: ‎12-07-2019
Location: PL
Views: 789
Message 254 of 258

Re: Lenovo Y540 crackling sound

Exactly same problem here - cracking on the beggining and in the end of sound.

RST file and changing fast 8/16 option in BIOS didn't help.

Another vote about Lenovo and it's worst support I have ever met in my life - I will remember that for the future.

 

There is no problem in Win 10 safe mode.

donotmention
SCSI Port
Posts: 90
Registered: ‎06-01-2014
Location: IN
Views: 772
Message 255 of 258

Re: Lenovo Y540 crackling sound

Set wifi transmit power to 4 in change adapter settings

RobaloAmigo
Fanfold Paper
Posts: 6
Registered: ‎12-07-2019
Location: PL
Views: 718
Message 256 of 258

Re: Lenovo Y540 crackling sound

Nothing changed after WiFi Transmit Power.

 

EDIT:

I only use BT headphones with my Y540.
Now I tested and no cracling sound is heard from the laptop speakers (Thank You!), but using Bluetooth the problem still occurs - but now I just noticed that it's the problem with headphones itself!

So thank You very much for Your help.

It seems that RST driver was solution for me too.

ishdoot
Paper Tape
Posts: 1
Registered: ‎12-27-2019
Location: IN
Views: 377
Message 257 of 258

Re: Lenovo Y540 crackling sound

This worked for me. Thanks a lot.

I was worried so much because of this sound issue. It's shame how Lenovo can ship so many laptops with cleary faulty sound.

Finally happy that this BIOS update included an option to tweak whatever was causing the problem. But I can't help but wonder that we must be loosing something with 'fast/8' value. The earlier fast/16 seems more advanced.

If anyone can explain what does "Slow slew rate for a IA domain" mean, it would be great.

Anyways thanks Berni.
Afif87123
Fanfold Paper
Posts: 4
Registered: ‎12-31-2019
Location: ID
Views: 196
Message 258 of 258

Re: Lenovo Y540 crackling sound

try to lock the cpu clock speed

or if it dont work

try to update ur bios

 

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