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67 Posts

06-03-2009

United States of America

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  • Message 1 of 3

T400 internal speakers quit working however headphones OK!

2010-08-15, 2:52 AM

Out of the blue, my speakers quit working this evening... however, headphones are fine.

 

I reinstalled the latest driver but no change.  Under Control Panel > Sound, Speakers are still selected as default Playback device.

 

Any ideas or suggestions?

 

Thanks...

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T400 2764CTO
Windows 7 x64
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2451 Posts

06-05-2010

Rosario, Santa Fe, Argentina

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  • Message 2 of 3

Re: T400 internal speakers quit working however headphones OK!

2010-08-15, 17:04 PM

Can be a hardware problem.

 

To discard any operative system problem, download a Live CD (Ubuntu) and use it to test your speakers.

 

Best regards.

IPnaSh
First Spanish Community Guru - Colaborador ad honorem

Lenovo
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67 Posts

06-03-2009

United States of America

489 Signins

2754 Page Views

  • Posts: 67
  • Registered: ‎06-03-2009
  • Location: United States of America
  • Views: 2754
  • Message 3 of 3

Re: T400 internal speakers quit working however headphones OK!

2010-08-15, 21:48 PM

I too was suspecting hardware, especially after reinstalling the driver and rebooting to no avail.

 

This morning though, I decided to power the unit down, and disconnect the battery to remove all power from the motherboard.  After a couple of minutes, reinstalled the battery, fired it back up and walla, sound was back!

 

Don't know for sure whether it was powering down the unit or removing the battery but I'll take the results!

T400 2764CTO
Windows 7 x64

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