suddenly lost all sound

Discussion in 'Windows 7 Hardware' started by zetski210, Apr 20, 2009.

  1. zetski210

    zetski210 New Member

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    Firstly, hello - must say that I'm enjoying Windows 7 so far - cannot wait until it is released!


    However, I have an anoying problem. I have no audio all of a sudden.


    So I have Windows 7, build 7000 x64.
    Last week, I suddenly lost all audio output, however the system still detects that audio is playing (ie: when you click the speaker icon in the taskbar the green VU meter shows that there is audio)

    I'm using an Asus P5E mobo with SPDIF to a Yamaha amp. SPDIF has been working with no issues (well, some but nothing a few codecs can't solve). It was working fine for months until this occured.

    I have rebooted (many times)
    I have un-installed and re-installed all my sound drivers
    I have sound working on Ubuntu on the same hardware

    Can anyone offer some alternatives?
    Thanks!
     
  2. cmn

    cmn New Member

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    Is that a dual boot system you have in this PC or just Win 7 beta Build 7000 Bit 64? If that is a Dual- boot system do you experience the same audio problem in the other Non-Win7 system? I am trying to differentiate between Wn 7 problem vs non-OS related issue on account of its sudden onset.
    I will await your response.
     
  3. zetski210

    zetski210 New Member

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    I have a dual-boot system and the sound output works on the other boot (ubuntu).
     
  4. cmn

    cmn New Member

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    That rules out any hardware issues in the Sound card to Loud Speakers in the Linux including the choice of the hardware in Multimedia.

    In Windows 7 can you recheck Control Panel> Sound and in the Sound properties screen under Playback menubar locate Select a playback device below to modify its settings: and verify your Speakers icon is Ticked/Checked in that box.

    Whenever something strange happens I always do a second and if needed 3rd look and [in my view the Best Diagnostic test is to go over what I could have over looked] in a systematic manner in "student mode" even if it might appear silly :) But that gives me the feeling I have not left any stone unturned :)
     
  5. zetski210

    zetski210 New Member

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    Yeah, I figured it was not a hardware fault (like a blown audio driver IC on the mobo), but I just wanted to see if anyone else has this issue.

    The listed devices in control panel are headphones and SPDIF, I've removed both of them, re-booted and let Win7 reinstall the drivers for both of them. Still nothing.

    I'm toying with the idea of a complete re-install of the OS, but was hoping that there was a less "drastic" fix.
    (I've got some re-partitioning to do anyway, so it's not a huge problem).
     
  6. cmn

    cmn New Member

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    I have not had similar problems except when the Headset's 3.5 mm plugs come out of the soundcard sound ports which I might have been unaware and I spend a lot of time looking for a software cause only to find that the Jack was out of the Box!
    Just to throw 3 options to try:


    1. F8 Adavanced Options Last Known Good Configuration
    2. Looking for any corrupt protected system files responsible for the problem > SFC /Scannow in elevated Command Prompt
    3. System Repair
     
  7. zetski210

    zetski210 New Member

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    Sorry, but I forgot to mention, I've done a system restore -> no sound.
    I'll try some other options.
    (I'm not on my Win7 PC atm, but will try this arvo)
     
  8. cjlanda

    cjlanda New Member

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    I have the same problem that zetski210 is having. All audio is lost on Windows 7 Evaluation copy 7100 for x86. I noticed this problem after I plugged the speaker cable back in after a few hours of being unplugged. This computer has only 1 Operating system installed in it, so I think is safe to rule out dual-boot.

    System still detects that audio is playing (i.e. green volume meter, etc) and speakers work well with an ipod. The problem is persistent on front and back speaker ports.

    I wonder if there is a hotfix or a workaround for this?

    thanks,

    Cesar
     
  9. mosquibee

    mosquibee New Member

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    Well I don't have a solution but I do have some mental support to offer: I've got exactly the same problem. I just switched off my computer, came back an hour later, switched it on and now the sound is completely gone. I have both an E-MU 0404 sound card and Realtek onboard sound. Both do absolutely nothing, except for pushing the green meter up & down. ARG!
     
  10. Agent Data

    Agent Data Banned

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    uninstall sound driver, delete sound device in device-manager then boot into safe mode and sweep driver - reboot, install driver! maybe that helps?
     
  11. meegee67

    meegee67 New Member

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    I have the same problem. All idications are the sound is working and playing but you cannot hear a thing. This does not happen all the time. The sound randomly just stops working. If I login as local admin run something with audio it does not start for a couple seconds and then it comes back. I go back and login as regular user and I can now hear sound. This is the strangest thing I have ever seen.
     
  12. keimanzero

    keimanzero New Member

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    By the strangest of coincidences I finally got my sounds back. Had nothing to do with drivers, speakers, defaults, browsers or error messages either. You see I have an HP Pavilion p6330f Home Premium desktop PC which runs a Windows 7 OS. The monitor I have is a big one- HPw1907 (19 inches) and at the lower right are four control pads. Menu, Volume/-, Screen/+ and Auto/Select. I struck Volume by accident while typing and a screen came up saying volume with a - on the left and a + on the right. The bar between them was open, entirely open but when I hit Screen/+ or used the right arrow on my keyboard it filled in to 100%. Presto! Sound was back- with a vengeance because I had left my onscreen volume controls at maximum! Now I am A-OK with sounds. Hope this may help someone here. Have a cool weekend and week- jack/keimanzero Campbelltown PA-USA
     

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