My sound card is realtek HD audio output speaker, and there is no sound in the headphones. Why?

1. Right-click the speaker device-audio settings-double-click the player-start this device-adjust the volume.

2. The sound card driver is not playing. First, find the sound device through the control panel, and then click the sound and audio device. If the pop-up interface is gray or yellow exclamation point, it proves that the driver is not installed or the driver is not playing well. Just download the driver wizard or test the driver-download-install-restart.

3. Right-click my computer, click Manage, find the service option, double-click to enter, find the Windows audio option to see if it is turned on, if not, turn on and set it to automatic.

If the complaint is a computer problem, go to the repair shop.

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