Difference between revisions of "Template:Laptop Audio"
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(Corrected command for "lspci | grep -i audio") |
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'''Troubleshooting Audio'''<br> | '''Troubleshooting Audio'''<br> | ||
In laptops, we cannot physically replace the sound card, like we can in a desktop system. This limits our options when things go wrong. However, we can: | In laptops, we cannot physically replace the sound card, like we can in a desktop system. This limits our options when things go wrong. However, we can: | ||
− | *ensure that the sound card is recognized by the system by running <code>lspci | + | *ensure that the sound card is recognized by the system by running <code>lspci <nowiki>|</nowiki> grep -i audio</code>. |
*double check that audio is not muted in the operating system. Click on the audio symbol in the top panel of the Desktop to check the volume settings. | *double check that audio is not muted in the operating system. Click on the audio symbol in the top panel of the Desktop to check the volume settings. | ||
*run <code>alsamixer</code> in a terminal and check that volume levels for "Master" and "PCM" are set around 90. | *run <code>alsamixer</code> in a terminal and check that volume levels for "Master" and "PCM" are set around 90. |
Revision as of 12:18, 14 December 2012
☐ Find the headphone jack; it is usually colored green or marked with a headphone symbol.
☐ Find a pair of headphones or speakers from the shelf.
☐ Repeat the basiccheck
audio test or use an audio CD to test the jack output; mark your findings on the Keeper label.
Troubleshooting Audio
In laptops, we cannot physically replace the sound card, like we can in a desktop system. This limits our options when things go wrong. However, we can:
- ensure that the sound card is recognized by the system by running
lspci | grep -i audio
. - double check that audio is not muted in the operating system. Click on the audio symbol in the top panel of the Desktop to check the volume settings.
- run
alsamixer
in a terminal and check that volume levels for "Master" and "PCM" are set around 90.
Requirements
At best, all audio outputs should work.
☐ Note if speakers do not work, or are not present.
☐ Note if the headphone jack does not work.
☐ If both the internal speakers and the headphone jack are not working, check with your instructor.