This will allow you to assess your Driver needs without any commitment. Alternatively, you can use the device manager to check if there are problems with any of your hardware devices. It might seem unlikely, but sometimes, the sound might be muted.
Make sure this is not the case by checking the volume icon on the system menu. Some computers have mute keys or switches on their keyboards. You might want to press that key in order to see if it unmutes the sound. There could be also some applications that have a built-in volume or mute button. You might want to check that you have not mistakenly muted the media application you are using to play sound.
Rhythmbox or music player. Read: How to speed up Linux. You might also want to check, under the Sound section, the Applications tab. Now click on Sound to open the panel.
Select the Applications tab and make sure the sound level is not set to low or not off. When the relevant drivers are not installed, the sound card may not be detected properly.
In such circumstances, the drivers would need to be installed manually. This may depend on the sound card type though. You would need to run the lspci command to find out the type of your sound card :. Check if an audio device or an audio controller is displayed. If this is the case, jot down the make and the model number of the corresponding sound card.
Note that the command :. Now that you have the information about your sound card, try to visit the maker website to check if they have suitable drivers for your system. You may also want to ask on support forums as well. This article will help you install the latest drivers. Next run pavucontrol and under Output Devices, ensure your default speakers are currently selected.
One of the most common problems faced is no sound after installing Ubuntu. While there could be several reasons for no sound in Ubuntu, I will share the tricks that worked for me. There could be various reasons why there is no sound in Ubuntu. The fix depends on the kind of problem you have. Before you take the steps to fix it, I suggest get some information about your system, specially about the audio related hardware. Look closely in the audio section of the above output.
This information maybe useful in some stages of your audio troubleshooting. First step, just to verify, check if the sound is not muted. Once you verify this, go to Sound Settings :.
Quite frustrating. It means that your sound card is not even recognized. The one shot solution which fixed the sound problem for me on my Intel powered Dell Inspiron is to force reload Alsa. You may think that it is hanged or still in processing but it takes only couple of seconds. This release has been prepared to be compatible with Ubuntu. Please see our support page for information on how to install this driver on Ubuntu.
However, please note that your original equipment manufacturer OEM provides drivers for your specific monitor, dock or adapter on their website, etc. DisplayLink recommends that you check with your OEM about recommended driver updates for your monitor, dock or adapter.
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