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14 Posts

12-02-2013

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T440s speaker noise

2013-12-02, 22:46 PM

Hello!

 

I have following issue with my new T440s' speakers:

a) having generic audio driver, there is silent noise everytime some sound is played approx. for 5 seconds

b) having most recent Realtek there is permanent the same noise unless it is muted using Fn+F1. Only "software mute" doesn't work.

 

I have Windows 8.1 x64.

I tried some googled tips with disabling the microphone but none of them has worked.

 

This is very annoying, since there is SSD and ULV this is the only noise this laptop produce.

 

Thank you!

 

Drozi

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13 Posts

11-20-2013

Czech Republic

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Re: T440s speaker noise

2013-12-04, 15:51 PM

I have exactly same problem.

 

However, I don't think that this is driver problem since this buzzing is heard even when laptop is in bios. From what I can tell, sound(buzzing) is comming directly from speakers.(both of them)

 

And you are right, it is extremly annoying and it is killing this otherwise very quiet laptop.

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16 Posts

12-04-2013

United States

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Re: T440s speaker noise

2013-12-07, 0:49 AM

I have the same problem, too.

 

But the noise isn't always there... it may stop for a while, then return, contiue for a while, and stop again, and then return again, ... It is pretty annoying...

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18 Posts

11-18-2013

U.S.

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Re: T440s speaker noise

2013-12-08, 16:53 PM
I have this problem too. Anyone konws how to fix it?
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14 Posts

12-02-2013

The Czech Republic

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Re: T440s speaker noise

2013-12-08, 17:18 PM

Have called and written to Lenovo customer-care, but got nothing. Via phone recomended to send an email. Via email no respond.

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16 Posts

12-04-2013

United States

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Re: T440s speaker noise

2013-12-08, 23:53 PM

It is somewhat strange. I can hear the noise even with headset plugged in.

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18 Posts

11-18-2013

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Re: T440s speaker noise

2013-12-09, 0:24 AM
I'm thinking if this problem is only exist in several configurations. I have a i5 4300, 7260ac, ssd+16gb m.2. Could you guys provide the specification?
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18 Posts

11-18-2013

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Re: T440s speaker noise

2013-12-09, 1:32 AM
Have you guys updated the bios?

I have post a similar thread in a Chinese thinkpad forum, the only two person replied did not have the same problem.
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16 Posts

12-04-2013

United States

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Re: T440s speaker noise

2013-12-09, 4:05 AM

Mine is i5 4200 and HDD. I searched a little bit online and saw people complain that T61 had already had this problem!

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18 Posts

11-18-2013

U.S.

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Re: T440s speaker noise

2013-12-09, 5:45 AM
Update from Chinese forum, 3 out 5 have the same problem. This seems common for T440s. Anyone from Lenovo could raise this problem to the technician team?
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