Many friends use the laptop to play music when there is no sound, plug in the headphones but can hear the sound, this is because the sound playback device selection is wrong, this article to Windows 10 system as an example, teach everyone how to solve this problem.
1. Testing
If there is no sound when the laptop plays music outside, then you must first rule out the problem of the sound card driver or the sound card itself, at this time you can insert headphones to try to play the music, if the sound is present, you can basically conclude that it is caused by the wrong choice of the playback device.
Second, the sound settings
If you can hear sound in the headphones, then you can basically determine that the sound output device is caused by the wrong selection, at this time you can click the "Start Menu" in the lower left corner of the computer, then select the "Gear" icon, click to enter the "Settings" option. As shown in the following figure:
After entering the "Settings" interface, find the "System" option in the pop-up interface. As shown in the following figure:
After clicking into the "System" option, find the "Sound" option. As shown in the following figure:
Third, replace the sound output equipment
After finding the "Sound" option, click to enter the option, the interface on the right side will switch, find the sound "Output" option. As shown in the following figure:
Click on the sound "Output" option, multiple output device options will pop up, select them one by one, and then test them. As shown in the following figure:
As long as there is no problem with the sound card driver and the sound card itself, then you can use this method to solve the problem, and the reason for this problem is that when the user uses the headphones, the system automatically recognizes the headphones as the sound input device, modifies the settings of the output device, as long as it is set as the sound output device that comes with the laptop, you can play the sound outside.