"No speakers or headphones are plugged in" error on Windows 7

"No speakers or headphones are plugged in" error on Windows 7

Note:  This is a fairly common problem with several causes and resolutions. If you come across a cause and resolution that is not documented here, please add it.

Symptom

No sound is coming from your computer, even though audio was working previously.

There is a red X over the speaker icon at the bottom right of the screen in the system tray. When you hover your mouse over the speaker icon, you see the following message:

No speakers or headphones are plugged in.

The Playing Audio troubleshooter does not detect any problems and in Device Manager the audio device shows up correctly with no errors. Though there are many types of integrated audio, a common one is the Realtek HD audio device which Windows detects as an High Definition Audio Device in Device Manager.

Cause

The onboard audio is disabled in the BIOS. Even if you did not manually disable the onboard audio, it may have been disabled automatically when the BIOS detected a new audio device was installed. For example, if you are using onboard audio and you install a new video card, some video cards now come with audio devices built-in, often that output to HDMI. The BIOS detects the new audio device, which is actually part of the video card, and disables the onboard audio automatically. Since there is actually still an audio device present and detected by Windows, the error message reflects that you do not have speakers or headphones plugged in because you have nothing plugged into the HDMI port on the video card.

Resolution

Restart the computer and enter the BIOS setup (generally by pressing the F10 or F2 function keys at the very beginning of the boot process). In the BIOS setup, find the section for integrated devices and enable the integrated audio (onboard audio). Restart the computer and the audio will work again.

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Comments
  • The motherboard Audio is enabled :( but still the same problem

  • I can not find any integrated audio to enable in BIOS

    HELP me Please

  • There is no Integrated Audio option in BIOS.  I need help!

  • ok i had the same problem with my sony vaio laptop and finally figured it out how to solve it.

    the reason as far as i understand is having windows 7 64 drivers for a 32 bit system, my laptop model supposed to have a windows 7 64 bit system and therefore the automatic updates are been carried out according to this fact, however for some reason it has come with 32 bit system so when the driver updates happened my 32 bit system stopped supporting drivers which are designed for 64 bits.

    consequently, in order to solve this problem what you have to do is to delete the current sound card driver and install one of the previous drivers which is designed for windows 7 32 bit systems.

    hope this works with everyone. let me know

  • I have entered into the BIOS mode but I cannot find the integrated devices. Can someone please help!!

  • I have entered into the BIOS mode but I cannot find the integrated devices. Can someone please help!!

  • That was the exact problem!  I installed a new video card and as you said the onboard audio was disabled.  Everyone's Bios is a little different, I found the setting disabled under the PCI.  Thank you!

  • i cannot find any audio enabled option in bios setup but i uninstalled the drivers of my nvidia video card