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<title>I can't hear any sounds on the computer</title>
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<p>If you can't hear any sounds on your computer, for example when you try to
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play music, try these troubleshooting steps to see if you can fix the problem.</p>
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<p>If you cannot hear any sounds on your computer, for example when you try
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to play music, try these troubleshooting steps to see if you can fix the
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<section id="mute">
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<title>Make sure that the sound is not muted</title>
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<p>Click the sound icon on the top bar (it looks like a speaker) and make sure
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that the sound is not muted or turned right down.</p>
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<p>Some laptops have mute switches or keys on their keyboards—try pressing
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that key to see if it unmutes the sound.</p>
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<p>You should also check that you haven't muted the application that you're
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using to play sound (e.g. your music player or movie player). The application
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may have a mute or volume button in its main window, so check that. Also, click
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the sound icon on the top bar and choose <gui>Sound Settings</gui>. When the
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<gui>Sound</gui> window appears, go to the <gui>Applications</gui> tab and
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check that your application is not muted.</p>
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<title>Make sure that the sound is not muted</title>
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<p>Open the <gui xref="shell-terminology">system menu</gui> from the right
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side of the top bar and make sure that the sound is not muted or turned right
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<p>Some laptops have mute switches or keys on their keyboards—try pressing
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that key to see if it unmutes the sound.</p>
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<p>You should also check that you have not muted the application that you are
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using to play sound (for example, your music player or movie player). The
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application may have a mute or volume button in its main window, so check
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that. Also, open <app>Settings</app> from the <gui>Activities</gui> overview
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and click <gui>Sound</gui>. Go to the <gui>Applications</gui> tab and check
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that your application is not muted.</p>
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<section id="speakers">
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<section id="device">
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<title>Check that the right sound device is selected</title>
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<p>Some computers have multiple "sound devices" installed. Some of these are
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capable of outputting sound and some are not, so you should check that you have
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the correct one selected. This might involve some trial-and-error to choose the
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<p>Click the sound icon on the top bar and select <gui>Sound Settings</gui>.</p>
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<p>In the <gui>Sound</gui> window that appears, go to the <gui>Output</gui>
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tab. Make a note of which device and which profile are selected (so you can
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return to the default selections if changing them doesn't work).</p>
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<p>For the selected device, try changing the profile—play a sound after you
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change the profile to see if it works. You might need to go through the list
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and try each profile.</p>
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<p>If that doesn't work, you might want to try doing the same for any other
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devices that are listed.</p>
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<p>Try changing the <gui>Connector</gui> option in the <gui>Output</gui> tab.</p>
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<title>Check that the right sound device is selected</title>
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<p>Some computers have multiple "sound devices" installed. Some of these are
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capable of outputting sound and some are not, so you should check that you
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have the correct one selected. This might involve some trial-and-error to
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choose the right one.</p>
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<p>Open the <gui xref="shell-terminology">Activities</gui> overview and
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start typing <gui>Sound</gui>.</p>
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<p>Click on <gui>Sound</gui> to open the panel.</p>
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<p>In the <gui>Output</gui> tab. Make a note of which device and which
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profile are selected (so you can return to the default selections if
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changing them does not work).</p>
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<p>For the selected device, try changing the profile—play a sound after
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you change the profile to see if it works. You might need to go through
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the list and try each profile.</p>
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<p>If that does not work, you might want to try doing the same for any
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other devices that are listed.</p>
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<section id="hardware-detected">
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<title>Check that the sound card was detected properly</title>
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<p>Your sound card may not have been detected properly. If this has happened,
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your computer will think that it isn't able to play sound. A possible reason
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for the card not being detected properly is that the drivers for the card are
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<p>Go to the <gui>Activities</gui> overview and open a Terminal.</p>
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<p>Type <cmd>aplay -l</cmd> and press <key>Enter</key>.</p>
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<p>A list of devices will be shown. If there are no <gui>playback hardware
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devices</gui>, your sound card has not been detected.</p>
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<p>If your sound card is not detected, you may need to manually install the
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drivers for it. How you do this will depend on the card you have.</p>
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<p>You can see what sound card you have by using the <cmd>lspci</cmd> command
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in the Terminal. You may have to run <cmd>lspci</cmd> as
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<link xref="user-admin-explain">superuser</link>; either type <cmd>sudo lspci</cmd>
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and type your password, or type <cmd>su</cmd>, enter the <em>root</em>
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(administrative) password, then type <cmd>lspci</cmd>. See if an
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<em>audio controller</em> or <em>audio device</em> is listed—it should have the
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sound card's make and model number. <cmd>lspci -v</cmd> will show a list with
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more detailed information.</p>
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<p>You may be able to find and install drivers for your card. It's best to ask
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on support forums (or otherwise) for your Linux distribution for instructions.</p>
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<p>If you can't get drivers for your sound card, you might prefer to buy a new
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sound card. You can get sound cards that can be installed inside the computer
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and external USB sound cards.</p>
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<p>Your sound card may not have been detected properly. If this has happened,
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your computer will think that it is not able to play sound. A possible reason
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for the card not being detected properly is that the drivers for the card are
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not installed. You may need to manually install the drivers for the card.
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How you do this will depend on the card you have.</p>
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<p>You can see what sound card you have by using the <cmd>lspci</cmd> command
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in the Terminal. Go to the <gui>Activities</gui> overview and open a Terminal.
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You may have to run <cmd>lspci</cmd> as
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<link xref="user-admin-explain">superuser</link>; either type
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<cmd>sudo lspci</cmd> and type your password, or type <cmd>su</cmd>, enter
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the <em>root</em> (administrative) password, then type <cmd>lspci</cmd>. See
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if an <em>audio controller</em> or <em>audio device</em> is listed—it should
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have the make and model number of the sound card. <cmd>lspci -v</cmd> will
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show a list with more detailed information.</p>
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<p>You may be able to find and install drivers for your card. It is best to
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ask on support forums (or otherwise) for your Linux distribution for
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<p>If you cannot get drivers for your sound card, you might prefer to buy a
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new sound card. You can get sound cards that can be installed inside the
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computer and external USB sound cards.</p>
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gnome-help/te/sound-nosound.page
