It's a possible problem with the
driver or the sound card may be
disabled. To check if the sound card is disabled or drivers not installed,
1. Right click on "My Computer" select "Properties"
2. Click "Device Manager"
3. From the list, you should see a "Sound Controller" and if you click on the drop down arrow beside it, you should see the audio driver installed(ex. High Definition Audio Device... audio driver name may vary depending on the brand of the laptop).
4. Right click on the sample "High Definition Audio Device" then select Properties. If it says device is working properly then there shouldn't be any problem with your audio.
** If the Sound Controller is NOT installed properly you need to download the Audio drivers from the support site of your Dell computer,
http://support.dell.com , be sure to select the correct model of your laptop and operating system of your computer. Once you have downloaded and installed the drivers, Audio should work fine not unless it is the hardware itself that is damaged.
**Also don't forget to check if there are other external audio output devices connected to your computer, please do test if working properly.
Hope this helps. Glad to be of service.
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