Win7: no audio to the speakers, Yes in the headphones; Ubuntu: both work

Hi all

My system is Windows 7 Pro 64 bit on a computer laptop lenovo. I was running Win7 since the beta public, never had any problems with the audio drivers. Can't remember when this happened, but at some point given, I lost the sound in my laptop speakers. Since the headphone output works, I assumed that some cables went loose. Also, sometimes I can actually get the sound through the speakers carefully placing my headset connector to halfway in. Well, in any case, I thought it was a hardware problem, until I installed Ubuntu on the side (dual boot) and everything works fine there. I reinstalled my Windows drivers, and later the whole windows, but nothing has changed. Pilots report no problems, in fact, the volume bar bouncing happily when I try to play music. Would be nice if I could hear it as well...

Thank you very much

BTW, any device audio sysinfo:

Name High Definition Audio Device

Manufacturer Microsoft

Status OK

ID of device PNP HDAUDIO\FUNC_01 & VEN_10EC & DEV_0862 & SUBSYS_17AA3867 & REV_1000\4 & 191C704F & 0 & 0001

Driver c:\windows\system32\drivers\hdaudio.sys (6.1.7600.16385, 342,00 KB (350 208 bytes), 14/07/2009-01:07)

I don't know if this will help, but it's something I noticed when the Win7 RC is out. I found that the provided Windows audio driver that has been installed automatically by Win7 worked, but she changed the apparent wiring to all the output on the computer Sockets. IOW, things like the front speaker decision-making being the center being the sides, that sort of thing and the rear speakers. When I installed Win7 audio drivers provided by the manufacturer of the chipset audio instead, all outputs then returns to normal.

You should have a list for the real sound chips in your device manager on your computer (the HDAC device above is a default MS driver installed in addition to the device driver named) at your system specs must appoint the audio device. Download the drivers from the manufacturer of the device (not necessarily the computer) and install those.

Are other situations that mimic your question a bit if some multi-channel codec or filter is not properly downmixing 2 channel (applies only to multi-channel audio sources) or if the windows default sound sends audio signals to the SPDIF (digital) output for some reason any. For example, filter FFDSHOW or AC3, or some AAC codecs can have individual settings to redirect audio between speakers or SPDIF or to its multichannel downmix to 2 channels (for headphones or stereo speakers). You'll have to search options to find the wayward setting.

Tags: Windows

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